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By SARA KUGLER Associated Press Writer NEW YORK (AP) New York City Mayor Michael Bloomberg and his Democratic challenger spent the final day of the campaign shoring up support and readying their get-out-the-vote forces.

Bloomberg on Monday greeted voters on the Staten Island ferry and then toured small businesses in every borough. City Comptroller William Thompson Jr. campaigned in Harlem and then went to Chinatown.

A new poll shows Bloomberg's lead has shrunk. The Quinnipiac (KWIH'-nih-pee-ak) University survey finds Thompson 12 points behind, down from 18 points.

The poll says 50 percent support Bloomberg, while 38 percent back Thompson. About 10 percent were undecided. The poll of 1,360 likely voters was conducted Oct. 29 to Nov. 1 and had a sampling error margin of plus or minus 2.7 percentage points.

(Copyright 2009 by The Associated Press. All Rights Reserved.) APNP 11-02-09 1421CST | save this article / add to your favorites list