Warm-up act

From NBC’s Ron Allen COLUMBUS, Ohio -- When Joe Biden sits down for a few laughs with Jay Leno and Ellen DeGeneres tonight he will already be warmed up.  With a bit of self-deprecating humor, at a campaign office this morning here, Biden said he hoped, "not to make a fool of himself."     Lately, in fact, Biden has been trying out a few "zingers," out on the campaign trail. Much of it has been at the expense of his counterpart Sarah Palin .    Here's a sample of the routine.    Biden is on stage in Delaware recently, feeling comfortable at home, into his stump speech, and he starts to recall his debate with Palin, and that, "she was winking at you all." Then, "at least I think it was a debate," he says, dripping with sarcasm. That sets up Palin's line about how she has been paying attention to Biden's speeches since she was in the second grade. Biden counters with, "Well, I guess just like she can see Russia from Alaska, she can see Delaware from ... (link)