Billionaire Donors Hide Behind Velvet Curtain at Republican Convention

When oil and chemical baron David Koch took his seat among the throngs of Republican grassroots activists on the convention floor in Tampa this week, he was making a rare appearance on behalf of the small group of wealthy donors who are bankrolling a good portion of Mitt Romney's bid for president. For the past several days in Tampa, Koch has been the exception. Most of the deep-pocketed donors -- the ones fundraising consultants call "the whales" -- have spent the convention largely out of...Full Story