George Soros was a source of funding for the Main Street Republicans. I think the group is now effectively defunct but many of their people are still in congress like John McCain.
Most people don’t have the courage to admit it but Sheldon Adelson a supporter of gay marriage, abortion, open borders etc.
But, hey, he isn't Obama, so it's okay - we'll just ask Romney to be conservative after he's President - we'll hold his nose to the conservative grind stone - that will fix him. /s