Briefly

Spoiler alert: Ventriloquist Paul Zerdin is the winner of the 10th anniversary season of America’s Got Talent. The English ventriloquist gets $1 million (U.S.) and will headline America’s Got Talent Live in Las Vegas from Oct. 22 to 24.

David Letterman will return to TV next year to help draw attention to the effects of climate change when he appears on an episode of Years of Living Dangerously. The National Geographic Channel series, which Thursday was renewed for a second season, has signed Letterman for his first announced appearance since leaving his job hosting CBS’s Late Show. Fellow correspondents will include Ty Burrell, James Cameron, Don Cheadle, Arnold Schwarzenegger, Olivia Munn, Ian Somerhalder and Cecily Strong.

Craig Ferguson is ready to debate U.S. history on the History channel, the network announced Thursday. The Scottish-born comedian will star in Join or Die, a half-hour series where he debates historical topics with guests including celebrities and history experts, as well as viewers through social media. Ferguson starred on CBS’s The Late Late Show for a decade. He is currently host of the syndicated Celebrity Name Game.

The 1990 holiday hit Home Alone celebrates its 25th anniversary this fall and returns to select U.S. theatres for two nights Nov. 8 and 11. Directed by Chris Columbus and written by John Hughes, Home Alone starred Macaulay Culkin as an 8-year-old left behind when his family departs for a Christmas vacation who has to singlehandledly fight off a couple dimwitted burglars. It was the topselling movie of1990 with a box office of $285.8 million (U.S.).

Usher, Laverne Cox and Katie Holmes have been added to the Sept. 26 Global Citizen Festival starring Beyoncé and Pearl Jam in New York City. The concert is timed to coincide with the UN General Assembly meeting.