She said Mueller could testify before the committee soon, according to Nadler, though Mueller said recently he would not expand on what is in his investigative report. Mueller did not reach a determination on whether Trump tried to obstruct the probe by taking actions such as firing FBI Director James Comey.
Rep. David Cicilline, a Judiciary Committee member who favors an impeachment inquiry, took pains to avoid separating himself from top Democrats such as Pelosi.
Mueller's report found Russia meddled in the 2016 USA presidential election and that Trump's election campaign had multiple contacts with Russian officials.
"He's not a credible person", Conway said of Dean.
White House counselor Kellyanne Conway also took aim at Dean on Monday during an interview on Fox News's "Fox & Friends".
He added that he knows the committee would want to hear from witnesses who are part of Mueller's report, but the "Trump administration is making it as hard as possible for anybody on the House side to do anything to learn about what their activities were or are". Mueller said there was not enough evidence to establish a conspiracy between the Trump campaign and Russian Federation, but he said he could not exonerate Trump on obstruction.
Judiciary Committee Chairman Jerry Nadler, D-N.Y., announced the agreement on Monday, but the committee's staffers said nothing had changed about plans for Tuesday to vote to authorize a civil contempt lawsuit against Barr and former White House counsel Don McGahn.
The contempt vote has been cancelled, the Wall Street Journal reported. "And I think the American people are getting increasingly educated and engaged about the lawlessness of the president".
Dean, 80, has called Trump "worse than Nixon", especially in how he handled Mueller's investigation.
The committee hearing, one in a series still to come on the Mueller report, occurred amid continuing discussion among House of Representatives Democrats about whether or not to begin impeachment proceedings against Trump.
"Today's good faith provision from the administration further debunks claims that the White House is stonewalling Congress, which Chairman Schiff's successful negotiations with the Justice Department already showed", said Collins, the Times reports.
The dispute escalated to the point of a subpoena, which Barr rejected with a recommendation that Trump invoke executive privilege - the doctrine that permits a presidential administration to shield some of its internal workings from public view.