Sen. Lindsey Graham, one of President Donald Trump's most reliable Republican allies, is showing signs of a rare public break after sharply criticizing the administration's posture on a potential conflict with Iran and asking for Congress' approval of any deal, a shift that is raising eyebrows across Washington.
The break wasn't strong, but it was forceful enough to raise the tension inside the GOP, with many Congress members worried about the effect of the Iran war on their political campaigns ahead of the November midterm elections.
