Yesterday's endorsement of Mitt Romney by former Florida governor Jeb Bush sent the implicit message that the time had come to wrap up the nomination process and begin focusing on the general election. Bush made that more explicit in an interview with Pittsburgh Tribune-Review’s Salena Zito --- and Bush had an idea how to make the ticket even stronger: Former Florida Gov. Jeb Bush says Republican front-runner Mitt Romney has earned the right to take on President Obama in November.“It is time to get behind the nominee,†Bush told the Tribune-Review on Wednesday during a visit to Pittsburgh. “And it...