Chairman of the Joint Chiefs of Staff Gen. Hugh Shelton is hosting a one-day conference for former chairmen at the Pentagon today, the Defense Department announced. Retired Navy Adms. Thomas Moorer and William Crowe, retired Air Force Gen. David Jones and retired Army Gens. John Vessey, Colin Powell and John Shalikashvili are participating in the conference, DOD said. "The purpose of this meeting is to provide these former military leaders updates on current issues. Shelton also wants to receive the...