Cryptic Clues ''Expect a crisis that's going to rock Ryan's world,'' says exec producer Josh Schwartz of Benjamin McKenzie's heartthrob (pictured, with Barton). ''In fact, that'll change where he is in the world -- and will have a ripple effect for every major character.'' And oh, yeah: ''There'll be a pregnancy.'' Um, in whose womb, Josh? ''Not one you'd expect.''What We'd Like to See Let Kirsten (Kelly Rowan) be preggers: Imagine Seth (Adam Brody) as a doting older brother!