With Bob Corker the frontrunner in both polls and funding, his major opponents in the Republican U.S. Senate primary have opened new lines of attack with the election just 10 days away. Van Hilleary on Monday launched a new television ad that says Corker is "running a cowardly smear campaign" in contrast to the "honorable campaign" by Hilleary, who "served our country with honor in combat." Ed Bryant, meanwhile, is trying to turn the tables on Corker's claim that his opponents, both former congressmen, "cashed in" on their service in elective office by becoming lobbyists. Corker-owned property in Chattanooga, Bryant...