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Whether it was a warning shot or simply one of those folksy Biden phrases, it was a signal that he would not be blindsided again the way he was in the first debate when Harris dispatched a fierce attack on his record opposing busing to desegregate schools decades ago. In that exchange, he appeared totally unprepared and caught off-guard. It led many voters to question whether he would be ready to go toe-to-toe against Trump, but his friends and advisers said it was much needed wake-up call.But Wednesday night in Detroit was different. In his opening statement, he noted that Democrats were "expecting some engagement here.""I expect we'll get it," he said, before turning his attention to Trump."Mr. President, this is America," Biden said, alluding to the diversity of the Democratic field on stage. "We are stronger and great because of this diversity, Mr. President, not in spite of it, Mr. President. So Mr. President, let's get something straight. We love it. We are not leaving it. We are here to stay and we're certainly not going to leave it to you."Harris, in her opening statement, argued that she too was ready to take on Trump."I come from fighters," she said. "My sister Maya and I joke we grew up surrounded by a bunch of adults that marched about this thing called justice and I'm prepared to march with you to fight with you for the best of who we are and to successfully prosecute the case of four more years of Donald Trump. And against him."The stage will show the diversity of the Democratic field and also the generational differences among the candidates. Harris and New Jersey Sen. Cory Booker, for example, have argued for a new generation of leaders who better reflect the diversity of the Democratic Party.Booker, who is hoping for a breakout performance to help him move from the bottom of the pack toward the top tier of contenders, has signaled that he will be trying to show Wednesday night that it is time for fresh leadership and new ideas. Booker's camp has signaled he'll plan to target Biden as well, having previously gone after the vice president over his stances on racial issues and criminal justice.Also on the stage on Wednesday will be Colorado Sen. Michael Bennet, former Housing and Urban Development Secretary Julián Castro, New York Mayor Bill de Blasio, Hawaii Rep. Tulsi Gabbard, New York Sen. Kirsten Gillibrand, Washington Gov. Jay Inslee and businessman Andrew Yang.Fiery debate over the future of health insuranceImmediately, Harris and Biden began to spar over the differences in their health care plans. While Biden would expand Obamacare with the goal of universal coverage but not force Americans to give up their private health insurance, Harris' plan would phase in "Medicare for All" and phase out private insurance over 10 years."The senator has had several plans so far, and anytime someone tells you you're going to get something good in 10 years, you should wonder why it takes 10 years," Biden said, alluding to Harris' plan. "If you notice, there is no talk that the plan in 10 years will cost trillion. You will lose your employer-based insurance and in fact, you know, this is the single most important issue facing the public. (To) be very blunt and to be very straightforward, you can't beat President Trump with double talk on this plan."Harris replied that Biden's description of her plan was "simply inaccurate.""The reality is our plan will bring health care to all Americans under a Medicare for All system," the California senator said. "Our plan will allow people to start signing up on the first day, babies will be born into our plan and right now 4 million babies, almost, are born every day -- or every year in America. Under our plan we will ensure everyone has access to health care. Your plan, by contrast, leaves out almost 10 million Americans."Over and over again -- even when responding to criticism from Gabbard -- Harris returned to criticize Biden's plan."I'm going to go back to Vice President Biden," she said when given the opportunity to respond to Gabbard, "because your plan does not cover everyone in America by your staff's and your own definition. ... As many as 10 million people will not have access to health care, and in 2019 in America, for a Democrat to be running for president with a plan that does not cover everyone, I think, is without excuse."At one point, Booker interjected with a plea for unity."The person that's enjoying this debate most right now is Donald Trump," Booker said. "We pit Democrats against each other while he is working right now to take away Americans' health care. There is a court case working through the system that will gut the Affordable Care Act. ... I was raised by two civil rights parents that told me to always keep your eye on the prize and that is in the United States of America. Every Democrat should stand with the belief that everyone should have access to health care -- that it's a human right. How we get there, it has to be to end this broken system." 5014

Wrapped presents can easily disguise dangerous or suspicious items. For the safety of all travelers, make items in your bag accessible to help the TSA reduce delays.If a traveler chooses to ignore security recommendations, TSA is permitted to unwrap gifts or confiscate them. To ensure the safe arrival of gifts, opt for carrying the gift in a bag or simply leaving it unwrapped, ready for security to inspect if needed.The Boise Airport's officials said this month is on track to be its busiest yet.“We’re trending 11 percent up over last year in terms of total passenger traffic," Briggs said. “It’s important to give yourself up to two hours before your departure time."For more information on TSA rules and recommendations click here. 778

Witnesses told police they spotted someone wearing a blue hoodie and jeans running from the store after the crash, and police believe that person got into another car with a getaway driver. 189

With the exit removed, motorists are routed to westbound Friars Road, which drivers currently use to exit the freeway. That exit has been expanded to five lanes and now includes a traffic light. The bridge over SR-163 has also been widened during the million project. Doug Cortez, a Caltrans engineer, said the new setup will eliminate the hazard of drivers exiting eastbound and cutting across three lanes of traffic to go left into the business park on Frazee Road, which is the next traffic light. "That creates a major traffic condition in the morning," Cortez said. The construction, which has taken place place over the past two years, has taken a toll on some area businesses. "What happens when they start construction is people develop other habits," said Ken Yearwood, who co-owns Intermezzo Espresso in Hazard Center. "They get caught in traffic, it's hard to get out of it."There are also questions about how the configuration will hold up during the holidays, when throngs go to Fashion Valley to shop. The eastbound drivers will now be waiting in the same line to exit. "I'm still curious how well that's going to work, coming up around and making the left onto Friars Road, because then they are going to get backed up all the way on the freeway," said Stuart Benjamin, who owns Stuart Benjamin Jewerly Designs in Hazard Center.Both Benjamin and Yearwood said they are glad construction is winding down. Cortez said the plan is for it to be done by late November. He added the holidays will be a busy time in the area. Cortez asked drivers to give themselves extra time Wednesday, and to watch out for stopped cars. 1635

While the study adds to the already numerous health concerns regarding air pollution, it will be of particular concern to developing nations, whose smoggy cities could be hampering national economic development."The damage on cognitive ability by air pollution also likely impedes the development of human capital. Therefore, a narrow focus on the negative effect on health may underestimate the total cost of air pollution," Zhang said. "Our findings on the damaging effect of air pollution on cognition imply that the indirect effect of pollution on social welfare could be much larger than previously thought."According to the World Health Organization (WHO), nine out of every 10 people on the planet breathe air containing a high level of pollutants, with the worst affected regions being Africa and Asia.Of the world's top 20 most polluted cities, as measured by the WHO, all are in developing countries. Almost all cities in low to middle-income countries with more than a million residents fail to meet minimum WHO guidelines.City dwellers aren't the only ones breathing in smog either, a study in January found that 75 percent of deaths related to air pollution in India were in rural areas.While some countries, including China, are taking measures to address air pollution, this will also potentially effect economic growth.Meanwhile, the wealthiest city dwellers are able to buy their way out of smog.In Beijing, the rich are specially designing their homes and buying appliances to filter out pollutants in their air and water, while poorer residents are stuck breathing in the unfiltered smog, affecting not only their health but also, according to the new study, their cognitive abilities. 1704

来源：资阳报