But how hard are Democrats willing to fight to actually prevent war?
A lack of congressional oversight is leaving the Trump administration on a collision course with Tehran.
But Republicans say they're OK with the Pentagon calling the shots.
Some senators have this radical idea that Congress should vote on bombing raids and foreign invasions. Here's why they're likely to lose that argument. Again.
And they have no idea what the president might do next.
Senate Majority Leader Mitch McConnell declined to explain what the constitutional rationale for President Trump’s Syria strikes, or whether the standard was of concern.
Now President Donald Trump has nearly unlimited authority to bomb, detain, and monitor just about anyone.
The notoriously unpredictable president-elect will soon decide who to target with drone strikes.
"It’s time for Congress to get back in the game," the VP pick said.
Sen. Tom Cotton argued that the United States has the authority to shoot down Russian jets in Syria because of the 2001 and 2002 votes by Congress to use force against Osama Bin Laden and Saddam Hussein.
The senator argued Congress' votes to target Osama Bin Laden and Saddam Hussein nearly 15 years ago apply to foreign jets in Syria, too.
Congress should approve future military action only when Washington has no alternative course to protect America--its territory, people, or constitutional liberties.
The House Speaker admits he hasn't achieved the "real unity" he wanted with Trump.