Democrats seem to be at odds once more when it comes to the Mideast. Even before President Donald Trump's announcement Saturday that the U.S. had struck Iranian nuclear sites, progressives demanded unified opposition of any U.

Prior to the attack, Iran had threatened to retaliate against the U.S. if it became involved in its conflict with Israel.

Dmitry Medvedev, the deputy chairman of Russia's Security Council, said on Sunday that U.S. President Donald Trump had started a new war for the U.S. by attacking Iran.