Democrats say President Donald Trump does not have the power to use force without the approval of Congress.

First vote in Congress on military campaign that White House says has hit four vessels and killed at least 21 people

Senate Republicans vote down legislation limiting Trump's military force against drug cartels, sparking debate over presidential war powers.

Senate Republicans have voted down legislation that would have put a check on President Donald Trump’s ability to use deadly military force against drug cartels.

Democrats say President Donald Trump does not have the power to use force without the approval of Congress.