FILE - In this combination photo, Tucker Carlson, host of "Tucker Carlson Tonight," appears on the set in New York, Thursday, March 2, 2107, left, and Fox News personality Bill O'Reilly appears on the set of his show, "The O'Reilly Factor" on Oct. 1, 2015 in New York. O'Reilly says he's sad and surprised that he's off TV but is confident the truth will come out about his exit from Fox News. Five days after his firing amid sexual harassment allegations, O'Reilly aired an episode Monday of his personal website's "No Spin News" podcast. The show was replaced by “Tucker Carlson’s Tonight,” which moved to O'Reilly's time slot Monday. (AP Photo/Richard Drew, File)
FILE - In this Nov. 17, 2007 file photo, political commentator Tucker Carlson arrives for the 60th anniversary celebration of NBC's Meet the Press at the Newseum in Washington. Fox News Channel says Tucker Carlson is claiming the weeknight host slot recently vacated by Greta Van Susteren. He will take over the 7 p.m. Eastern hour on Nov. 14, the network said (AP Photo/Charles Dharapak, File)
FILE - In this Nov. 17, 2007 file photo, political commentator Tucker Carlson arrives for the 60th anniversary celebration of NBC's Meet the Press at the Newseum in Washington. Carlson gave the harshest critique of Michael Vick's past yet while guest hosting for Sean Hannity's show on Fox News Channel on Tuesday, Dec. 28, 2010, saying the Philadelphia Eagles quarterback "should have been executed" for his gruesome dogfighting crimes. (AP Photo/Charles Dharapak, File)
Tucker Carlson, founder of The Daily Caller, revealed details from "JournoList."