President Donald Trump’s announcement Saturday that the U.S. military began a major combat operation in Iran was met with immediate questions about whether the president improperly bypassed Congress, which has the sole authority to declare war under the Constitution. Trump characterized the joint operation with Israel to take out Iranian leaders and eliminate Iran’s weapons supply as an act of “war,” bringing into focus the 1973 War Powers...

President Donald Trump’s joint strikes on Iran are exposing a divide in both parties, and several Democrats have come to the president’s defense while a handful of Republicans questioned his constitutional authority. Trump announced U.S. and Israeli forces targeted Iranian leadership and military sites in the early hours of Saturday morning, catching millions of Americans — and the majority of lawmakers in Congress — by surprise.  A handful...

President Donald Trump’s joint strikes with Israel against Iran have intensified a growing bipartisan push in Congress to rein in his war powers, with lawmakers in both parties demanding votes on resolutions aimed at limiting his authority to use military force in the region. Members in both chambers had already planned to force votes before the first bombs fell Saturday. Now, they are doubling down on calls to...