WASHINGTON − President Donald Trump threatened Iran's supreme leader with assassination as he pushed Tehran to give up its nuclear enrichment program and air strikes continued over Iran and Israel.

President Trump spent the first months of his term holding back Israel’s push for an assault on Iran’s nuclear program. With the war underway, his posture has gyrated as he weighs sending in the U.S.

President Trump will meet with his national security team today as questions mount over how involved the U.S. will be in the conflict between Israel and Iran. NBC News' Monica Alba reports more. Executive Director for Global Security at Flashpoint Andrew Borene and former Assistant Secretary of State under the Obama Administration Joel Rubin join Chris Jansing to weigh in.

The conflict between Iran and Israel continues for a fifth day. President Trump says he might send JD Vance to negotiate with the Iranians. Follow along for live updates, news and analysis as the conflict unfolds.

Vance defends Trump after supporters like Tucker Carlson and those in the MAGA base's calls to stay out of the Israel-Iran conflict.

President Trump’s comments towards Tehran come after urging Tehran’s 9.5 million residents to flee for their lives.

Joe Scarborough mocks Pete Hegseth after Trump's defense secretary gave Americans platitudes instead of substance amid rising tensions between Israel and Iran.

President Donald Trump was set to meet his national security team in Washington on Tuesday to discuss the escalating Middle East conflict, fueling fresh speculation that the US is on the verge of joining Israel’s attack on Iran.

Democratic Rep. Jared Moskowitz lays out why he thinks Israel made the right decision to strike Iran’s nuclear facilities and tells CNN’s Wolf Blitzer whether he thinks the US will join the conflict.