Virginia Republicans have paved the way for former Sen. George Allen's (R-Va.) comeback in 2012, but a rematch of one of 2006's nastiest Senate contests is still far from a forgone conclusion. The speculation about Allen’s return has put the pressure on Sen. Jim Webb (D-Va.), who some Democrats think is ambivalent about another run in 2012. (snip) The one conservative who could give Allen the toughest time in a primary is state Attorney General Ken Cuccinelli, who has made national headlines by helping lead the charge on the state level against implementation of the healthcare law.