Brian has the latest on the hunt for Charlie Kirk's assassin, the legacy he leaves behind and remembers September 11th. #foxnews Featured guests: George Pitaki – Former New York Governor (R) Stuart Kaplan – Former FBI Agent Marc Thiessen – Former Chief Presidential Speechwriter, George W. Bush & Fox News Contributor Frank Bisignano – Social Security Commissioner - Played a key role after the 9/11 attacks as Chief Administrative Officer at Citigroup - Co-founded the 9/11 Memorial & Museum Full