Michael Waltz: “We presented the Ukrainians really an incredible, and a historic opportunity.”

We will only enter negotiations with Iran if they want to give up their entire program and not play games.

It's embarrassing. We're going to get to the bottom of it.

I spoke today with my Russian counterpart Yuri Ushakov about President Trump's efforts to end the war in Ukraine.

I take full responsibility. I built the – I built the group. My job is to make sure everything’s coordinated.