Mitt Romney. John Boehner

House Speaker John Boehner should be one of President Obama's opponents to potentially paint his support of same-sex marriage as the President flip-flopping on an important topic. (credit: Getty Images)

GOP: Gay Marriage An Issue But Not Like Economy

Republican activists now want to use Obama’s stance on the same-sex marriage — public opinion is about evenly split — to paint the president as a flip-flopper and to boost Mitt Romney’s image in the eyes of conservatives who are still warming to him.