Donald Trump isn’t the first president to order military strikes without congressional approval. But his decision to bomb Iran comes at a uniquely volatile moment — both at home and abroad.Overseas, the U.

As Mr. Trump last week weighed whether to use direct military force against Iran, a bipartisan contingent of lawmakers demanded that the president seek congressional approval before moving forward with any action.

President Donald Trump's strike against Iran will be met with pushback on Capitol Hill this week as some lawmakers argue the military action was unconstitutional.There are several bipartisan resolutions that could receive a vote in coming days that may put some lawmakers in uncomfortable positions as they consider whether Trump ignored the role of Congress in striking Tehran.