ESCALATING TENSIONS BETWEEN THE ESCALATING TENSIONS BETWEEN THE US AND IRAN. A STAGGERING US AND IRAN. A STAGGERING DISPLAY OF U.S. POWER NOW DISPLAY OF U.S. POWER NOW MOVING INTO POSITION, INCLUDING MOVING INTO POSITION, INCLUDING WARSHIPS, AIR DEFENSES AND WARSHIPS, AIR DEFENSES AND SUBMARINES.IT COMES AS HIGH SUBMARINES. IT COMES AS HIGH STAKES NUCLEAR TALKS APPEAR TO STAKES NUCLEAR TALKS APPEAR TO HIT A WALL. NBC'S GARRETT HAAKE HIT A WALL. NBC'S GARRETT HAAKE JOINS US NOW. AND GARRETT, THE JOINS US NOW ...