Herman Cain's case against pundits who claim he's running a book tour rather than a presidential campaign just got a bit more complicated. Federal Election Commission records show that the former Godfather's Pizza executive paid more than $64,000 of his presidential campaign funds to his motivational speaking company, T.H.E. New Voice Inc., for copies of his own books, and for lodging, airfare, and resources, Bloomberg News reports. Previous rulings by the FEC have allowed candidates to use their campaign funds to buy their own books, as long as the purchase is at market value and the money goes to charity...