5 important ways Christie needs to revamp his image

"You can get by being a tough and aggressive politician, but it is important to stand for something, something big. When LBJ ran against Goldwater in 1964, his campaign was not just about him but about a bold liberal agenda,'' Zelizer says. "Right now," he says, "Christie has nothing like that. His agenda remains mysterious and it is difficult to win over the hearts and minds of voters this way.''