December 17, 2009 7:00 pm James Cameron: I Knew Sam Worthington “Was The Right Guy” To Cast “Avatar” director James Cameron discusses the risk he took by casting an unknown actor as the lead in his latest film. US & World Videos 1:42 Emily Blunt says her daughters were impressed by Taylor Swift's praise for her and Ryan Gosling's ‘SNL' song 3:47 Ryan Gosling and Mikey Day Dress As ‘SNL's' ‘Beavis & Butt-Head' For ‘The Fall Guy' Premiere 2:56 Kelly Clarkson jokes Jim Gaffigan is the Brock Purdy of dads 1:28 LAPD dismantles protester encampments at UCLA 1:36 Arizona Senate repeals 1864 abortion ban