TRENTON - (AP) - Gov. Chris Christie (R-N.J.) insists hewon't seek the 2012 Republican presidential nomination.

But a new poll indicates he could give President Barack Obama atough fight if he does.

The Fairleigh Dickinson-PublicMind Poll out Thursday pitsseveral potential GOP candidates against Obama in head-to-headmatchups.

It finds Obama with double-digit leads over former Alaska Gov.Sarah Palin, ex-House Speaker Newt Gingrich and former MinnesotaGov. Tim Pawlenty.

But Obama polls only 6 percentage points higher than Gov. Christie.

Only former Arkansas Gov. Mike Huckabee and former MassachusettsGov. Mitt Romney outperform Christie. Both run about even withObama.

The poll of 800 registered voters nationwide was conducted bytelephone using both landlines and cellphones from March 21-28. Ithas a sampling error margin of plus or minus 3.5 percentage points.