With his series featuring Joe DeMarco, fixer for Speaker of the House, Mike Lawson has won a reputation as one of America's best political thriller writers. In House Divided, with his boss out of commission, DeMarco is on his own, a sacrificial pawn in a lethal game between a master spy and a four-star army general. When the NSA was caught wiretapping U.S. citizens without warrants, a scandal erupted and the program came to a screeching halt. But...