"I'm disappointed the FBI and White House are failing to take even the most basic steps to investigate this matter,” the Judiciary's top Democrat said in a statement about the allegation against Kavanaugh.
Robert Cohen, an Obama appointee whose term expired last month on the mine safety and health panel, blasted the administration for going easy on violators.
The move covers about 20 pages of the warrant obtained to monitor former Trump campaign adviser Carter Page and FBI interviews.
Disdain between GOP and Democrats has grown under Trump, as the Democratic Party has become more liberal and the Republican Party has become more Trump.
