Graham told Sen. Sheldon Whitehouse, D-R.I., he's getting closer to him on the issue of campaign finance. 

"I don’t know what’s going on out there, but I can tell you there's a lot of money being raised in this campaign," said Graham, whose Democratic opponent Jaime Harrison raised $57 million in one three-month period, more than any Senate candidate ever.

"I'd like to know where the hell some of it's coming from, but that's not your problem," Graham said. 

After coming under fire from President Donald Trump and Republicans about whether he backed expanding the Supreme Court to more than nine justices, Joe Biden said Monday that he's "not a fan of court packing."

"I've already spoken on — I'm not a fan of court packing, but I don't want to get off on that whole issue. I want to keep focused," the 2020 Democratic presidential nominee said in an interview with Cincinnati's WKRC.

The former vice president said Trump's decision to quickly fill the Supreme Court vacancy left by the death of Justice Ruth Bader Ginsburg ahead of the election is the "court packing" that he wants people to pay attention to.

"The focus is why is he doing what he's doing now? Why now with less than 24 days to go until the election?" he said. "That's the court packing ... the public should be focused on."

Biden's comments Monday were his clearest on the issue since Ginsburg's death and come as he and Harris have been hit with a barrage of GOP attacks and have deflected numerous questions from the press in recent weeks about whether they would expand the Supreme Court.

Graham brought up Roe v. Wade and explained that unlike Brown v. Board of Education, there are states passing strict abortion laws challenging the 1973 landmark decision. 

Asked if she would listen to both sides if such a case came before the Supreme Court, Barrett said, "Of course. I'll do that in every case." 

In response to a question from Graham about Brown v. Board of Education, Barrett said that she considers it a "superprecedent." 

Barrett said that a superprecedent is "a precedent that is so well established that it would be unthinkable that it would ever be overruled."

She said that there would have to be a case and a controversy for the Supreme Court to revisit the landmark 1954 decision. 

"I do not see that happening anytime soon," she said. 

Sen. Lindsey Graham, R-S.C., chairman of the Judiciary Committee, began his time for questions by bashing Obamacare, as Democrats have warned that Barrett's confirmation would result in the reversal of the health care law. 

“All of you want to impose Obamacare in South Carolina — we don’t want it,” Graham said. "We want South Carolina-care, not Obamacare."

Graham, who faces a competitive re-election race against Democrat Jaime Harrison, said that if it were up to him, he would "block grant this money, send it back to the states and in a more fair allocation." 

"And we would require pre-existing conditions to be covered as part of the block grant," he said. 

Graham then asked Barrett what she means to be an originalist. She said that she interprets the Constitution as having "the meaning that it had at the time people ratified it," and that "meaning doesn't change over time and it's not up to me to update it or infuse my own policy views into it."

Sens. Kamala Harris, D-Calif., and Patrick Leahy, D-Vt., are the only senators on the Senate Judiciary Committee who are expected to participate remotely in the hearing Tuesday.

Both senators have voiced concern about safety protocols during the pandemic. Negative Covid-19 tests are not required to appear at the hearing in person, despite requests from Democrats, though senators, staff and members of the press are asked to complete self-screening forms.

Sen. Thom Tillis, R-N.C., is expected to appear in person Tuesday after delivering his opening statement virtually Monday because of his recent Covid-19 diagnosis. Tillis released a letter from his personal physician Tuesday stating that his isolation ended at 4 p.m. Monday. 

Just catching up on Barrett's confirmation? Here are some highlights from Monday's hearing:

• Judiciary Chairman Sen. Lindsey Graham defends hearing: 'Nothing unconstitutional'
• Sen. Mike Lee, recovering from Covid-19, delivers opening statement without mask
• Sen. Mazie Hirono criticizes Barrett's nomination ceremony as White House 'superspreader' event
• Sen. Kamala Harris says Justice Ginsburg's entire legacy is in jeopardy
• ANALYSIS: Trump sees a political loser