that could go a long way in determining the next republican nominee. maryland and washington, d.c. mark the beginning of a tough month for santorum as a race moves to less conservative territory. it makes wisconsin more important for santorum with an ad attacking two rivals at the same time. >> what if i told you this man's government health care included $50 abortions and killed thousands of jobs. would you ever vote for him? what if he supported cap and trade and the wall street bailouts and what if i told you he raised taxes and stuck them with a $1 billion short fall. one more thing, what if i told you the man i'm talking about isn't him? it's him. >> okay. >> my goodness. >> as the race pushes forward, ann romney is becoming a leading voice. >> before we get to that --