He's a strong conservative, and a demographic win: William McGurn
                                
                                
                                    (Newser) -
                                    Hey, Republican strategists, interested in a young, dynamic, Latino vice presidential nominee? Then William McGurn has a name for you, "And he's not Marco Rubio." Instead, the  Wall Street Journal  columnist suggests the less-famed Luis Fortuño, governor of Puerto Rico, who's "part of a...