While he remains publicly coy about the possibility of another White House bid, Mitt Romney has a calendar that tells a very different story. From returning to a key early primary state to delivering an address before a social conservative conference and reuniting with members of his campaign-in-waiting, Romney is scheduled to spend a good deal of his September in a fashion befitting a man very much interested in running for president. snip............................ On Saturday, Sept. 19, Romney will speak at the Values Voters Summit, an annual conference in the capital, put on by the Family Research Council, that frequently...