The Republican-led Senate on Thursday again blocked a Democratic attempt to stop Donald Trump ’s war in Iran , rejecting a war powers resolution that would have limited the conflict until Congress authorizes further military action. The vote was 47-50, with two Republicans – Susan Collins, a senator of Maine, and Rand Paul, of Kentucky – voting in favor and one Democrat – John Fetterman, of Pennsylvania – opposing it. It was the sixth time this year that Democrats have forced a vote on a war powers resolution related to the US’s assault on Iran . All have failed, mostly along party lines. Adam Schiff, the resolution’s author and a senator, said Thursday’s vote was critical. Friday marks 60 days since the Trump administration notified Congress that it was carrying out strikes on Iran. Under the War Powers Resolution of 1973, the president must terminate its military campaign at the end of the 60-day window, unless Congress has declared war or authorized the use of military force.…