Romney Quits Race

Says time of war is not the right time to continue GOP fight: "I feel I have to stand aside."   Read full remarks from CPAC conference here. Watch video above.   Did not endorse McCain. AP: Decision effectively cedes nomination to McCain.   Obama, kicking Romney as he heads out the door, criticizes him for saying Democrats are soft on terror. Watch it above.   Plus: Watch Halperin explain some reasons for McCain's success in the GOP race here.   HALPERIN’S TAKE: TEN THINGS MITT ROMNEY COULD HAVE DONE DIFFERENTLY.