ALBANY, N.Y. (AP) — Republican Senate candidate Joe DioGuardi slips easily into accountant mode on the campaign trail. Facts and figures roll off his tongue.

DioGuardi is an unlikely candidate to take on Democratic incumbent Kirsten Gillibrand, and not because of his background as an accountant.

At age 70, DioGuardi looks to revive a political career interrupted 22 years ago when he lost his Westchester County congressional seat.

He has been foiled repeatedly in past attempts to return to Congress. But this year he beat two other Republicans in a primary for the right to take on Gillibrand, the appointed incumbent who is ahead in fundraising, name recognition and leading in most polls by double digits.

DioGuardi seems unfazed. He says he like to take up big challenges.

(Copyright 2010 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)

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