Happening now new information about potential witness intimidation in the

January 6th investigation sources tell CNN that a Trump ally tried to influence

Cassidy Hutchinson's explosive testimony,

this, as the panel is awaiting a response

with subpoena of Trump's former White House

Council Pat Cipollone.

Also tonight, President Biden says he now supports dropping Senate filibuster rules

to clear the way for passage of an abortion rights law.

He's facing growing political pressure over the end of Roe versus Wade.

And at a pivotal moment for the divided U.S. Supreme Court,

Kitanji Brown Jackson just became the first

black woman sworn in as a Supreme Court justice. We want to welcome our

viewers here in the United States and around the world. I'm Wolf Blitzer, you're in the situation

room. We begin with new evidence that at least one Trump ally attempted to influence the January 6th

committee star witness fearing what Cassidy Hutchinson would reveal to the panel and to the nation.

CNN congressional correspondent Ryan Nobles is working the story.

New information tonight about the January 6 committee's star witness

Cassidy Hutchinson. Sources tell CNN that Hutchinson was one of two examples

that Vice Chair Liz Cheney used to show Trump allies were putting pressure on former staff members

to stay loyal to the former president.

Our committee commonly asks witnesses connected to Mr. Trump's administration or campaign,

whether they've been contacted by any of their former colleagues

...