In a much-touted radio appearance today, Republican contender Herman Cain suggested he would consider running as a vice presidential candidate alongside a presidential nominee who shares his ideas. In the interview with talk-radio host Michael Savage in which Cain was expected to make a major announcement, Savage asked, "If someone else were chosen to run for the presidency, Mr. Cain, would you accept the VP slot?" "It depends upon who's asking and the conditions in which they would like for me to do it," Cain responded. "First, I would want to know clearly what my role would be. Secondly, if...