(CNN) - Mitt Romney’s campaign team knows that his Mormon faith scared off Republican voters the last time he ran for president.

But they believe a lot has changed in the last four years.

For starters, Romney is now much better known. The former Massachusetts governor campaigned hard in the 2008 primaries – even addressing his Mormonism head-on in a major speech — and has stayed in the public eye since, popping up on late-night talk shows and on cable news channels.