Weisberg is chairman and editor-in-chief of The Slate Group, which includes Slate magazine and Panoply. He is also the creator and co-host of Slate’s “Trumpcast.” He joined Slate as chief political correspondent in 1996. Weisberg is the author of several books, including the 2008 New York Times bestseller “The Bush Tragedy,” and his latest, a 2016 biography of Ronald Reagan.