By EW Staff
Updated June 20, 2003 at 04:00 AM EDT

BILL O’REILLY AND AL FRANKEN Touting their new fall books at L.A.’s BookExpo America, liberal humorist Franken accused the Fox News star of “puffing up” his credentials, while O’Reilly called Franken “vicious with a capital V” and told him to “shut up.”