Unable to prevent Barack Obama from becoming president, rigid followers of the Constitution have turned their attention to another young, charismatic politician many think could one day occupy the White House. The birthers are calling for U.S.Sen. Marco Rubio, the budding Republican star from Florida. "It's nothing to do with him personally. But you can't change the rules because you like a certain person. Then you have no rules," said New Jersey lawyer Mario Apuzzo. Forget about allegedly Photoshopped birth certificates; the activists are not challenging whether Rubio was born in Miami. Rather, they say Rubio is ineligible under Article...