Massachusetts Gov. Mitt Romney has hired several of Jeb Bush’s top aides, leading to speculation that Romney may be courting the outgoing Florida governor for a possible Romney-Bush 2008 ticket for the White House. After Bush’s former chief of staff and top political adviser, Sally Bradshaw, joined Romney’s Commonwealth political action committee earlier this month, Romney flew to Florida to join Bush for campaign events and fund-raisers - and to gauge Bush’s interest in being a running mate, sources told the Boston Herald. Soon after, Bush’s chief finance director, Ann Woods Herberger, also joined Romney’s political action committee. Bush has...