Yesterday, the Richardson campaign released an internal poll from Fairbank, Maslin, Maullin and Associates showing him in fourth place among likely Democratic caucus goers in Iowa.

Edwards 34
Clinton 24
Obama 17
Richardson 13

Among "likeliest" caucus-goers that are defined as voters who attended the 2004 causes, voted in the 2006 primary and say they'll definitely be at next year's caucuses, Richardson moves up to third place according to his poll:

Edwards 31
Clinton 23
Richardson 18
Obama 16