it's your voice, your vote. >> rick santorum really touched a nerve with the obama campaign with his speech over the weekend and then some comments he made to reporters. he tried to clean it up in the sunday shows, but it really didn't work. now, santorum has been surging in the polls, and he used part of that to criticize the president and his values. >> it's about some phony ideal, some phony theology. oh, not a theology based on the bible. a different theology. >> reporter: the former senator says he was calling for more use of the country's resources in that statement, criticizing the president for putting the environment ahead of human needs. but he had no problem broadening his critique of the president's beliefs just minutes later. >> the president of the united states is exercising his values and trumping the values of the church. >> reporter: the obama campaign called this a new low, over the line. >> it's wrong. it's destructive. it makes it virtually impossible to solve the problems that we all face together as americans. >> reporter: so is santorum saying the president is not a man of faith? >> i wasn't suggesting the president's not a christian. i accept the fact that the president's a christian. >> reporter: this back and forth is really an indication that the obama campaign is now taking