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A previous version of this story incorrectly said the Park Police asked the National Guard about a "heat ray" at a June protest. It was military police that made the inquiry.
An earlier version of this story said Space Command is a department of the Air Force. It is a combatant command of the Department of Defense that conducts operations in, from and to outer space.
A previous version of this story incorrectly said Rep. Peter Meijer is a West Point graduate. Meijer attended West Point, but he is a graduate of Columbia University.
A previous version of this story incorrectly said British troops attacked the U.S. Capitol in 1812. The attack took place in 1814 during the War of 1812.
In this episode, we incorrectly say that Curious George: A Very Curious Christmas is a real title. In fact, the real title is Curious George: A Very Monkey Christmas.
An earlier version of this story referred to an MLive report as being published in May 2015. In fact it was published in 2014.
An earlier version of this story said the court vote was 5-4, but in fact it was 6-3.
An earlier version of this story incorrectly characterized conservative activist Candace Owens' relationship to Fox News. She is a frequent guest, not a formal contributor.
A previous version of this story said Sriwijaya Air Flight 182 crashed into the Java Sea on Sunday. It happened on Saturday.
An earlier version of this piece called Amazon's photo storage service Amazon Prime backup. It's called Amazon Photos.
An earlier version of this story said that Birthright Israel sends American Jewish youth to Israel on free guided trips. The organization sends Jewish youth from around the world on the trips.
Previous photo captions misspelled Tim Shantz's last name as Schantz.
An earlier version of this story incorrectly identified David Epstein as a senior editor at Sports Illustrated. At the time this story was published, he had recently changed jobs from senior writer at Sports Illustrated to reporter with ProPublica.
An earlier version of this interview misspelled Gil Scott-Heron's first name as Gill and omitted the hyphen in his last name.
A previous version of this story incorrectly described Barbara Comstock as a member of the House of Representatives. She lost her seat in the 2018 elections.
An earlier version of this story described the Center for American Progress as a Democratic think tank. In fact, it is nonpartisan but is liberal-leaning.
In a previous version of this story, a quote about conservative values was incorrectly attributed to Russell Moore. That quote has been deleted.
A version of this story published at 8 p.m. ET prematurely reported that U.S. Capitol Police Officer Brian D. Sicknick had died, based on information from a source. Later, U.S. Capitol Police announced that Sicknick had died at 9:30 p.m.
Updated Saturday at noon
An earlier version of this story incorrectly said the video came two weeks after the election rather than two months. In addition, a version of this story published at about 8 p.m. ET prematurely reported that five people, including a Capitol Police officer, died, based on information from a source. The death toll was four at that time. Later, U.S. Capitol Police announced that Officer Brian D. Sicknick had died at 9:30 p.m.
A previous version of this story attributed one of President Trump's quotes to the wrong medium. He did not say, "These are the things and events that happen ... Remember this day forever " in the video he released. He made that statement in a subsequent tweet that has now been removed.
A previous version of this story incorrectly said that in both Senate races, all candidates from all parties were on one ballot in November. That was only true of the special election, which ended in a runoff between Sen. Kelly Loeffler and Raphael Warnock. The Perdue-Ossoff contest went through a traditional primary process.
In this report, we incorrectly say Emily Bender is a computer scientist. In fact, she is a linguist.
In this report, we incorrectly say Sonali Rajan is an associate professor in the Department of Health and Behavioral Studies at Columbia University. In fact, she is an associate professor of health education at Teachers College, Columbia University.
A previous version of this story incorrectly listed Sean Malone's birth date as Jan, 1, 1970. He was born April 12, 1970.
A previous version of this story incorrectly described producer Hal Willner. He was a live event record producer, curator of tributes and musical matchmaker — not a Nashville-based singer-songwriter.
A previous version of this story incorrectly stated that Congress pushed the date of copyright expiration from 75 years to 97 years in 2001. In fact, the Copyright Term Extension Act was passed in 1998 and extended copyright for certain works, including those from 1925, to 95 years.