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Hundreds of cities have put curfews in place because of the protests. That makes it so law enforcement can stop or arrest anyone on the street, but many protesters have ignored the restrictions. So, why do it? We spoke to an expert in policing who says it’s about separating those hiding in the crowd to incite violence and protecting demonstrators trying to have their voices heard.“It doesn't necessarily give power. It gives them the ability to contain better whatever it is that they need to contain,” said Dr. Maria Haberfeld, a professor of law, police science and criminal justice at John Jay College. “Whether it's rioting, whether it's looting, whether it's unlawful gathering of people.”Haberfeld says curfews have a history of controversy. They were used during the Jim Crow era against African Americans and against Japanese populations during World War II.Now, they're normally used for juveniles or during natural disasters like hurricanes. Haberfeld calls that the good use of curfews to protect the general population.Still, the ACLU has criticized curfews as unfair and unconstitutional, saying it gives police too much discretion over who to arrest. Haberfeld doesn't see it that way.“When a city's under siege, when a city's in danger of being burned and destroyed, that has nothing to do with unconstitutional,” said Haberfeld. “That has everything to do actually with serving and protecting people who live in the city.”Haberfeld says it's important to note that curfews are instituted by mayors or local governments, not by police chiefs or commissioners. She says police departments cannot and do not want to arrest everyone. 1660

For the first time in the history of the platform, Twitter has issued a fact check alert on a presidential tweet. On Tuesday, Twitter flagged several tweets containing misleading information about claims President Donald Trump made on Tuesday involving mail-in ballots. Twitter has come under fire in recent days for allegedly not applying its conduct standards on tweets sent by the president. The controversy was fueled by a conspiracy pushed by the president about prominent MSNBC host Joe Scarborough and the death of a former congressional staffer. The now deceased congressional staffer worked for Scarborough when he was a member of Congress. According to an autopsy released from the 2001 death, the staffer died when she fell and hit her head. The family of the deceased staffer called on Twitter to delete the tweets, claiming that had the tweets been sent by anyone other than the president, they would have been kicked off the platform.In a response to 977

Facebook's Mark Zuckerberg and Sheryl Sandberg will not attend a hearing in Ottawa on Tuesday, despite receiving summonses from the Canadian parliament, Facebook confirmed on Monday.The decision could result in the executives being held in contempt of parliament, the senior Canadian politician who sent the summons told CNN.Both executives received formal requests from the Canadian Parliament earlier this month tied to a gathering of an international committee examining Silicon Valley's impact on privacy and democracy. Zuckerberg and Sandberg have testified before the United States Congress on the subject.On Monday night, Bob Zimmer MP, the chair of the committee, said that Facebook had not told the committee whether its two most senior executives would be attending. He said committee members learned on CNN that Zuckerberg and Sandberg would not testify.A Facebook spokesperson disputed that on Tuesday morning, saying the company had told the committee it would be sending Kevin Chan, its head of public policy for Facebook Canada, and Neil Potts, its director of public policy, to the meeting. The spokesperson added the company had been in ongoing communication with the committee.Lawmakers from at least ten countries, including the United Kingdom and Australia, are expected to attend the meeting, which is the second of its kind. The first meeting of the committee last year in London resulted in the release of 1441

Former Vice President Joe Biden's campaign says he misspoke when he told a group of Hispanic and Asian voters in Iowa on Thursday that "poor kids are just as bright and just as talented as white kids" before he attempted to correct himself.Biden, who's been on a 275

Former President Jimmy Carter suggested Friday that a full investigation into Russian interference in the 2016 election would show that Donald Trump didn't win the presidency."There's no doubt that the Russians did interfere in the election. And I think the interference, although not yet quantified, if fully investigated would show that Trump didn't actually win the election in 2016. He lost the election and he was put into office because the Russians interfered on his behalf," Carter said at the Carter Center's retreat in Leesburg, Virginia.Asked if he believes Trump is an illegitimate president, Carter paused for a moment."Based on what I just said, which I can't retract," Carter said to audience laughter. 729