Good evening from Washington. Something happened here today that almost never does.

And when it did, it turned this already historic first day of televised house impeachment

hearings into something far more.

Surprise testimony pointing to a new witness potentially with first hand knowledge who

could tie President Trump more tightly into the allegations at the heart of this whole

affair.

And that was just one key moment from Ambassador Bill Taylor, the top US diplomat in Ukraine.

He testified today along with State Department official George Kent and further state critics

of the President were pleased.

The President's defenders mean time sought to impune the testimony relying largely on

four key talking points, at least one of which might go out the window given what we

learned today about that new witness.

We'll talk about all of that.

The President's reaction and more of the first CNN ceremony starts us off with some of

the key moments from the testimony today.

In the impeachment inquiry into Donald J. Trump, the 45th President of the United States.

The hearings Big Bomb Shell was dropped early in the proceedings by the top US diplomat

in Ukraine, Bill Taylor.

The member of my staff could hear President Trump on the phone asking Ambassador Saundlan

about the investigations.

Ambassador Saundlan told President Trump the Ukrainians were ready to move forward.

Following the call with President Trump, the member of my staff asked Ambassador Saundlan

...