the tourist attractions here in the nation s capitol. we want to welcome our viewers in the united states and around the world. i m wolf blitzer. you re in the situation room. you certainly could say the general election campaign began this week when republican candidate rick santorum declared the race is over for me. now that mitt romney s toughest challenger is out of the picture, romney and president obama are taking direct jabs at one another. let s bring in our senior correspondent, joe johns. romney, it s his race, he s the challenger. he moved to the right during this campaign, the primary season, but now presumably he s got to move a little closer to the center. it does sound that way certainly, wolf. it s been a very good week for mitt romney. now it s up to him and his staff to keep it going. we ve essentially entered the general election phase of the 2012 campaign with lightning speed thanks to social nemedia d controversial remarks by romney s wife anne by