 CQ Politics forecasted the race as 'No Clear Favorite'; The Rothenberg Political Report ranked the race as 'Pure Toss-Up'; and The Cook Political Report listed the race as a 'Democratic Toss-Up'.Shea-Porter squeaked into Congress by a 51% to 49% margin against incumbent Republican Bradley in one of the greatest upsets of the 2006 election cycle.In January 2007, Bradley announced his intent to seek a rematch in 2008.