Senator Lindsey Graham urged the administration to exclude imports used by companies from his state of South Carolina from a list of products subject to tariffs, The New York Times reports.
"As of now I don't really know and I don't know if anybody else does," said the Judiciary Committee chairman, who oversaw Kavanaugh's contentious confirmation hearings.
Heitkamp, facing re-election in a state President Donald Trump won by nearly 40 percentage points in 2016, is considered the most endangered Democrat in the Senate.
The Iowa Republican and his Democratic colleagues made their comments Thursday after seeing a report about the bureau's supplemental background check into the appeals judge.
Senate Majority Leader Mitch McConnell has vowed to have a vote on Kavanaugh's confirmation this week. A procedural vote on the nomination is expected Friday. The final confirmation vote could happen Saturday.
The Senate is expected to receive the report early on Thursday.
"The time for endless delay and obstruction has come to a close," McConnell said of the push to confirm Supreme Court nominee Brett Kavanaugh.
Even before Thursday's explosive Senate hearing, popular opinion had already begin tilting against Supreme Court nominee Brett Kavanaugh. But when it comes to matters before the Senate, popular opinion doesn't count.
"What you want to do is destroy this guy's life, hold this seat open and hope you win [the presidency] in 2020," Sen. Lindsey Graham of South Carolina shouts.
Popular support had been waning for the Supreme Court nomination of Judge Brett Kavanaugh even before another bombshell report of sexual misconduct appeared late Sunday.
A big change since the Clarence Thomas confirmation hearings has been the #MeToo movement, which has made it less likely that women's accusations of sexual misconduct by powerful men will be brushed off.
Sen. Susan Collins, R-Maine, told reporters on Monday that if Supreme Court nominee Brett Kavanaugh lied in denying that he sexually assaulted a woman at a high school party in the early 1980s that it would "obviously" disqualify him.
Already, several Republicans who hold swing votes have showed qualms about pushing forward with the judge's confirmation.
After professor Christine Blasey Ford went public over the weekend with allegations that Kavanaugh drunkenly held her down and groped her during a party in the early 1980s, Kavanaugh's chances for confirmation have been thrust into uncertainty.
GOP worries about Kavanaugh would have been unthinkable just days earlier, when the appellate judge and George W. Bush administration veteran appeared to have few obstacles left on his way to a lifetime Supreme Court appointment.
In the exchange, Kavanaugh proposed deleting a line from a draft opinion article that said: "it is widely accepted by legal scholars across the board that Roe v. Wade and its progeny are the settled law of the land."
The Senate Judiciary Committee holds its first hearing with Kavanaugh on Tuesday. He's President Trump's second nominee to the Supreme Court.
McCain survived nearly six years as a POW, succeeded Barry Goldwater in the Senate and lost a White House bid to Barack Obama.
A federal judge stopped the release of blueprints to make untraceable and undetectable 3D-printed plastic guns.
Kavanaugh appears set to lay down mostly conservative rulings on issues that matter to Republicans.