For the first time in 2012 polling, Public Policy Polling finds President Obama trailing a Republican challenger. Mike Huckabee (R) leads Obama, though it is by just 1 point, which is within the margin of error.

With a 46% job approval rating in the new survey, Obama holds a small lead over Mitt Romney, and slightly larger leads over Sarah Palin and David Petraeus.

Obama's 8-point lead over Palin was helped by the fact that 13% of 2008 John McCain voters chose the president over the former vice presidential nominee -- the only Republican to lose double-digit GOP support to him.

Obama 44 - Huckabee 45 - Und 11

Obama 49 - Palin 41 - Und 9

Obama 44 - Petraeus 34 - Und 21

Obama 44 - Romney 42 - Und 15

The survey was conducted Jan. 18-19 of 1,151 registered voters with a margin of error of +/- 2.8%.

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