A new national CBS/NYT poll shows Rudy Giuliani clinging to a one-point lead, as Mike Huckabee's surge moves beyond Iowa:

Republicans
Giuliani 22 (-7 vs. 10/16 poll)
Huckabee 21 (+17)
Romney 16 (+4)
McCain 7 (-11)
Thompson 7 (-14)
Paul 4 (n/a)

In the RCP Average, Giuliani holds a 5.2-point lead.

Democrats
Clinton 44 (-7 vs. 10/16 poll)
Obama 27 (+4)
Edwards 11 (-2)
Richardson 2 (n/a)
Biden 2 (n/a)

In the RCP Average, Clinton holds a 16.3-point lead.