Trump administration officials briefed members of Congress today on the war with Iran.

That says both chambers gear up to vote on a war powers act that could limit President Trump's authority in carrying out strikes.

To discuss that, I'm joined by Senator Mark Warner of Virginia.

He is the top Democrat on the Senate Intelligence Committee.

Senator Warner, welcome back to the NewsHour. Thanks for being with us. Thank you so much.

So you were briefed today with all the other senators.

Yesterday, as part of a smaller group in the Gang of Eight,

were you given any evidence in either of those briefings that showed Iran was an imminent threat

to the U.S., to U.S. military assets in the region, or to U.S. allies?

Absolutely not.

This is a war of choice brought by Donald Trump.

In many ways, and I say this is a strong supporter of Israel, the timing of this war was dictated by Bibi Netanyahu.

And while I support Israel, I think at the end of the day, when American interests are at stake,

when we've lost six soldiers at this point, we have to show the direct and immediate risks to America. That was not the case.

And we've seen now over the last week or so, and I've been in every one of the classified briefings,

there have been now four reasons given for why this war was started. One was to take out Iran's nuclear capabilities

that the President claimed was eliminated nine months ago. Then it was moved to the ballistic

missiles, which was a rising threat against American bases in Israel, but not imminent.

Yesterday we even heard an answer about getting rid of the Iranian Navy.

We'd never heard that before.

And then we've heard from the President regime change.

And as your prior reporter indicated, you know, Iran's a complicated country of 92 million people. If the president has called upon the Iranian people to rise up, and let's say in a few days,

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