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well, this was exactly stewart's point, of course. people have to "be who they are", and carlson and begala are not thinkers, they're hacks, and that's they're job on that show: not to understand things better, not to help other people understand things better, not to learn or teach, but to argue with each other for the sake of arguing. that's who they are. to do something like change your mind or develop your position would be to not "be who [you] are".
to put it back in stewart's idiom, begala and carlson need to stop thinking of themselves as the political equivalent of pro wrestlers and start thinking of themselves as competitive athletes.* they need to STOP being who they are, just as stewart refused to play their game.
imo.
j
*this is not, btw, to say that pro wrestling is not athletic. it is mightily athletic. but it is not genuinely competitive.