Arizona senator says US no longer 'world power' over handling of Iran conflict

Sen. Ruben Gallego, D-Ariz., said Monday that the United States is no longer a "world power" after engaging in a conflict with Iran "on somebody else’s word."

"I mean, I guess we’re not a world power anymore," Gallego told MS NOW host Chris Hayes. "I was in some pretty hard times during the war at a very young age. And it just drove me mad."

Gallego’s comments came in response to Secretary of State Marco Rubio, who told reporters at a press conference earlier that day, "We knew there was going to be an Israeli action.