I saw him Tuesday night. I saw Senator Marco Rubio in person as he delivered a speech at the Ronald Reagan Library outside of Los Angeles. I saw Marco Rubio catch Nancy Reagan as she stumbled. And I saw Marco Rubio offering coy answers to the question everyone in the press was there to see him answer: would you want to be vice president? ...Rubio is known as a Tea-Party candidate, or semi-Tea-Party candidate, but he didn't throw any rhetorical bombs Tuesday. That alone made him sort of agreeable. There were moments when he dared to offer a gram of...