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Bill Thompson won the Democratic primary for mayor by a substantial margin last week and he started airing his first TV commercial. So he's probably made a dent in Mayor Bloomberg's lead, hasn't he? Not so much, according to a Quinnipiac University poll released this morning:

William Thompson, fresh from a big Democratic primary win, got no post-primary bounce in his campaign to unseat Mayor Michael Bloomberg. He has a 16-point mountain to climb and less than six weeks to do it," said Quinnipiac's Maurice Carroll.

Oh, well. But at least he can still brag that his favorability ratings are still, like, ten times better than those of Gov. Paterson, right?

Survey Finds No Bounce for Thompson [NYT]
Poll: Bloomberg holds 16-point edge over Thompson [NYP]