Former Republican presidential candidate Mike Huckabee is at the top of the list of John McCain’s possible running mates, according to a top McCain fundraiser with ties to his inner circle. Economic conservatives are likely to oppose the choice of Huckabee as McCain’s vice presidential candidate, given the populist tone of his campaign and his tax record as governor of Arkansas. But in his “Capital Commerce” column for U.S. News & World Report, James Pethokoukis points to the fundraiser’s disclosure and cites several factors that could make Huckabee a strong asset for McCain. For one thing, the former Baptist minister...