Jimmy Kimmel late night challenge starts today: Jay Leno, look out!

Jimmy Kimmel went head-to-head today at 11:35 p.m. with David Letterman and Jay Leno, challenging them for title of TV's "King of Late Night" in Nightline's former time slot. This week's debut of Jimmy Kimmel Live makes the late-night show war a three-way race. SUBSCRIBE to Next Media Animation: http://www.youtube.com/subscription_center?add_user=NMAWorldEdition Facebook: http://www.facebook.c ...