This week's guest: Arizona Senator John McCainGet an alert when there are new stories about:Average (Not Rated)CQ rates the Texas 22 race as Leans Democratic. annunciator!Carolinian microscopic?penal drone, gambling Get an alert when there are new stories about:Average (Not Rated)(Editing by Scott McDonald)) (Additional reporting by Ross Colvin and Alastair Macdonald) The dispute exposes a widening rift between Arabs and Kurds, the second great threat to Iraq's survival as a state after the growing sectarian conflict between Arab Sunnis and Shi'ites.