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...

The first missile in the U.S. arsenal used against Iranian targets in Saturday’s pre-dawn strike was the Tomahawk, a long-range cruise missile launched from Navy ships and submarines. About half the length of a standard telephone pole, the Tomahawk flies at the speed of a commercial airliner and can carry a 1,000-pound warhead about the distance from Washington, D.C., to Miami. Fired from destroyers or submarines positioned hundreds...