Hillary drops to third in new Iowa poll

A Reuters/C-SPAN/Zogby poll released today shows Barack Obama as the top choice of likely Democratic caucus-goers, with 31 percent of those polled supporting him. Released Thursday morning, it also puts John Edwards at 27 percent and Hillary Clinton at 24, with no other Dems hitting double digits.

Double-digit results on the R side:

Mike Huckabee: 31%
Mitt Romney: 25%
Fred Thompson: 11%
John McCain: 10%
Ron Paul: 10%