The White House is hiring a veteran legislative hand as it prepares to deal with the new Republican Congress. President Obama has brought on Martin Paone as deputy assistant for legislative affairs, plucking him from the Washington firm Prime Policy Group, where he has been lobbying as executive vice president. He brings nearly three decades of Senate experience to the White House, having worked under four Democratic leaders, including Senate Majority Leader Harry Reid (D-Nev.). “No one knows the Senate better than Marty, who started his career parking cars here and rose to be one of the most senior and...