Sen. Lindsey Graham pushes for more intervention in Iran amid nuclear talks

In Geneva today, US envoys and Iranian officials try to narrow big disagreements over Thran's remaining nuclear program and expanding missile force with Oman playing middleman. Both sides report progress, but there are huge gaps and each are backing up their diplomacy with a show of force. The US with one aircraft carrier already in the region and another on the way.Iran's Navy today holding drills in the straight of Hormuz, closing that critical choke point for 20% of the world's oil supply for a few hours ...