HOWARD DEAN wants Osama bin Laden to get 30 years to life. No hanging by the neck until dead. No firing squad. Not even a lethal injection for being the mastermind behind the deaths of more than 3,000 Americans. That's the upshot of Dean's exchange with Chris Matthews last night, an exchange ignored--and in one case glossed over--by a Dean-friendly press. MATTHEWS: Who should try Osama bin Laden if we catch him? We or the World Court? DEAN: I don't think it makes a lot of difference. I'm happy . . . MATTHEWS: But who would you like to, if...