“I’ll be casting my vote to support the deal and if necessary sustain the president’s veto,” she told Jake Tapper on “State of the Union” on CNN. While she called it a “gut wrenching” decision-making process that caused her “angst and pause,” she concluded that the agreement would “put Iran years away from being a threshold state.”

The congresswoman choked up emotionally as she talked about the difficulty of the decision as a “Jewish mother” and the first Jewish Democrat elected to the House from Florida.

“There’s nothing more important to me as a Jew than to ensure that Israel’s existence is there throughout the generations,” she said. She added: “There is no way that we would be able to ensure that better than approving this deal.”

In a separate interview, former Secretary of State Colin L. Powell endorsed the agreement as well, calling it “a pretty good deal” that includes a “very vigorous” inspection system and imposes significant restrictions on Iran.