On the brink, defying President Trump, North Korea test fires more missiles. We'll see what happens.

Iran signals it will return to nuclear production,

and the president follows through on a threat to escalate a trade war.

I want to get along with China, because I'm smart.

Is the Trump doctrine helping or hurting the US?

And prosecutor power. The president expects to face Joe Biden on the 2020 debate stage,

but another top candidate says she'll be the one debating

President Trump, and she'll use her courtroom skills to make her case against him.

I know how to fight, and I know how to win.

My exclusive sit-down with California Senator Kamala Harris next.

Plus constitutional crisis.

Democrats widen their probes into the president and his associates. But in response to their subpoenas, the Trump administration their next in the stalemate between two branches of government.

Hello and happy Mother's Day, I'm Jake Tapper in Washington where the state of our Union is wondering how this is all going to play out.

President Trump is in Washington this morning and he's facing standoffs at home and abroad.

On the international stage, the president is confronting escalating crises in

four global hotspots Iran, North Korea, Venezuela, and with China after negotiators

failed to reach a deal Friday to avert a potential

trade war. Back at home the president is up and tweeting about the Russia

investigation already today after a week in which his standoff with Democrats in Congress seemed to reach a new level

as the White House looks to block Democratic oversight at every turn.

Both the Speaker of the House and the Chairman of the House Judiciary Committee are openly

calling this a constitutional

...