In the wake of Saturday night's victory in South Carolina, Donald Trump acknowledges he probably needs to act more presidential and says he'll do so "pretty soon." The often brash Trump tells Fox News Sunday, ''I think I'll be very presidential at the appropriate time. Right now, I'm fighting for my life." Trump's victory comes after a week in which he threatened to sue one rival, accused former President George W. Bush of lying about the Iraq war, and even tussled with Pope Francis on immigration. Trump says he "can act as presidential as anybody that's ever been president other than the great Abraham Lincoln," who he says was hard to beat. As for speculation about his inevitability, "I don't want to say (the nomination is) mine." Elsewhere on this morning after contests in South Carolina and Nevada, per the AP: