David Cicilline actually said...

under our Constitution, as you know, only Congress can declare war, and we have neither declared war nor granted the administration the auth...

The United States must work with the National Assembly and other governments in the region in a supporting role.

it would be illegal under U.S. law, inappropriate, and reckless to attempt a military intervention.

He was very evasive. He was clearly contemptuous of Congress, didn't believe he should be participating in an oversight hearing.