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It has been nearly a month since 20 Democrats met for the first debate to vie for the party’s nomination in next year’s presidential election. On Tuesday and Wednesday, 20 Democrats will once again take the stage, this time in Detroit. What is differentWhile there will be 20 Democrats on the stage -- 10 each night -- one Democrat has since dropped out of the race. Rep. Eric Swalwell of California ended his bid for the presidency earlier this month. His spot on the debate stage has since been filled by Montana Gov. Steve Bullock. With this debate being aired on CNN, there will be a different set of moderators. Don Lemon, Dana Bash and Jake Tapper will conduct the debate. Unlike last month’s Miami debate, CNN has told the candidates that there will be no “show of hands or one-word, down-the-line questions.” Also different, CNN has threatened to reduce the time of candidates who are constantly interrupting. What is the sameCandidates will be given 60 seconds to answer and 30 seconds for follow ups. The requirements to qualify for the debate also remained the same, and was based off of polling and fundraising criteria.Biden back as frontrunnerVice President Joe Biden’s lead took a bit of a hit in the days following the last debate thanks to a contentious confrontation from Sen. Kamala Harris of California. Harris’ emotional rebuke of Biden’s stance on public school busing in the 70s was easily the most memorable moment of the night. It also seemed to have, at least temporarily, cut into Biden’s lead. Polls from CNN and Quinnipiac University had Biden’s polling as low as 22 percent. Harris, for her part, saw her numbers increase to above 10 percent. Biden has seen his polling number return to near 30 percent. Harris, however, has continued to poll above 10 percent, indicating that she perhaps draw some support from some of the other candidates. Biden and Harris are the two center-stage candidates for the July 31 debate. But Harris might not be Biden’s biggest concern on Wednesday. Sen. Cory Booker and Biden have been involved in a spat in recent days over criminal justice reform. Booker called Biden “an architect of mass incarceration.” This is over Biden’s support for the 1994 Crime Bill. Warren/Sanders showdownSens. Bernie Sanders and Elizabeth Warren are generally allies in the Senate, but on Tuesday, they will square off on stage. The two senators are vying for the support of the liberal wing of the party.Sanders and Warren have been contending for No. 2 in polling. Is it quite possible that Tuesday’s debate will consist of the moderators trying to find some daylight between the two candidates. Both candidates make income inequality a central theme of their campaigns. Both are strong proponents of Medicare-for-all. Both support increasing the national minimum wage. How candidates qualifiedTo qualify for the second round of debates, candidates had to fulfill one of two criteria: either get 65,000 donors to their campaigns, with at least 200 donors in 20 different states, or obtain at least 1% in three polls recognized as legitimate by the committee.Here are the candidates: On July 30, these candidates will be on stage: 3186

Japan's professional baseball league says it will play its 72 remaining preseason games in empty stadiums because of the threat of the spreading coronavirus. The regular season is to open on March 20. The virus that began in China is disrupting all of the country's sports schedules and has raised concerns about the Tokyo Olympics. They are to open on July 24. Representatives of the baseball league's 12 teams made the move at a special meeting.Japan has reported more than 150 cases of coronavirus. 514

Just in time for Thanksgiving, millions of travelers will get walloped by several storms across the country.From California to Michigan, 20 million people are under winter weather advisories, watches or warnings, CNN meteorologist Dave Hennen said. And we're still 276

KNOXVILLE, Tenn. (AP) — Some patients treated by a Tennessee dentist have been advised to get tested for HIV, hepatitis B and hepatitis C.The Tennessee Department of Health issued the recommendation after finding that Knoxville dentist Clarence “Buzz” Nabers did not ensure proper sterilization of dental equipment, news outlets reported.The recommendation was included in a letter Nabers sent to patients who visited his practice between Sept. 15, 2016, and Sept. 15, 2019.Nabers was fined ,000 for the improper sterilization and his license was put on probation. Nabers said previously that he has implemented protocols to correct the issues.The letter says the chance of being exposed to any infection is “very remote” and there haven’t been any reports of sickness. 784

In 2017, Uber unveiled a tip feature on its app to allow customers to leave their driver a tip. It turns out many customers do not leave a tip. According to a study conducted by Bharat Chandar, Uri Gneezy, John A. List, and Ian Muira with the University of Chicago, only about 16% of rides end with a tip. The study also found that 60% of Uber customers never tip, while 1% always leave a tip. List's study included 40 million trips in the cities of Chicago, Boston, San Francisco, Salt Lake City, Asheville, North Carolina, and Bloomington, Indiana.List's study found the average of those who do tip is .11, about 26% of their fare. The survey found that customers were more likely to tip between 3 to 5 a.m., as well as around 6 p.m. on Fridays; that female drivers, especially younger females, were more likely to earn tips; and that 5-star drivers were twice as likely to earn a tip as a 4.75-star driver.So should you tip? That is up to you, but know that according to the 992