“The Constitutional principles haven’t changed. What has changed is Republicans’ willingness to defend those principles," an anti-war critic said after a Senate vote.

“The Constitutional principles haven’t changed. What has changed is Republicans’ willingness to defend those principles," an anti-war critic said after a Senate vote.

Polls find large majorities of people in the US oppose military action in Venezuela, where Trump has ramped up pressure.

Republicans narrowly defeated a bipartisan bill in the Senate requiring congressional approval for military action against Venezuela.