Jesse Metcalfe Talks Larry Hagman's 'Dallas' Legacy And Season Finale

Jesse Metcalfe discusses the "somber" mood on set after the passing of legendary "Dallas" star Larry Hagman. What does Jesse consider Larry's lasting legacy? Plus, the 2-hour season finale of "Dallas" airs April 11 at 9/8c on TNT, so what can he reveal about Christopher Ewing's continued search for his missing mother?