From the NY Times:
He is comfortably ahead in the polls. He has the vast powers of incumbency at his disposal. He has the backing of the city’s most powerful business interests.
But that does not seem to be enough for Mayor Michael R. Bloomberg.
As his campaign sought to overpower any candidate considering challenging him, Mr. Bloomberg commissioned a telephone poll last month that spread derogatory information about Representative Anthony D. Weiner, one of the mayor’s possible rivals in the race.