Democratic divisions on Middle East policy roared back to the surface on Saturday after the U.S. and Israel launched what President Trump described as "major combat operations" in Iran.Why it matters: There may be enough defections from hawkish Democrats to doom a measure Democratic leadership plans to force to a vote next week reining in Trump's war powers."I don't support the resolution, which would require us to completely abandon our allies," Rep. Greg Landsman (D-Ohio) told Axios. "The Admi...