Kimmel publicly called out Leno for taking back 'The Tonight Show' from Conan O'Brien after handing over the reins in 2010Jay Leno still has regrets about his infamous moment with Jimmy Kimmel. In 2010, Kimmel made an appearance on Leno's show and called him out for his decision to renege on his promise to hand over The Tonight Show to Conan O'Brien. After ratings for the late night show and his 10 p.m. talk show, The Jay Leno Show declined, the comedian returned to the original show while O'Brien refused to switch to a later showtime. After Leno asked...