In an interview with Fox News Channel's Martha McCallum, Grassley was asked whether he believes the Senate should take up a hypothetical Supreme Court nomination during 2020, when President Donald Trump will be up for reelection.
The tone inside the courtroom was collegial, in contrast to the venom of Kavanaugh's confirmation fight.
Kavanaugh officially took the oath in a more hurried, private procedure Saturday, but the White House version will be a chance for the Trump administration to celebrate publicly.
Democrats had fought tooth and nail to stop Kavanaugh's candidacy, claiming that the conservative-minded judge was not suited to the Supreme Court.
He was confirmed by the Senate in a 50-48 vote on Saturday.
The RNC chairwoman said she wasn't surprised, because the way the Democrats, particularly Senator Dianne Feinstein, handled the Blasey-Ford letter accusing Kavanaugh of sexual abuse 36 years ago was "shameful".
WASHINGTON－US President Donald Trump said on Monday that he was apologizing on behalf of the whole country to his new conservative Supreme Court justice after one of the most contentious confirmation processes in history of the United States.
MSNBC anchor Nicolle Wallace vouched for frequent guest and Democratic attorney Michael Avenatti on September 26 when his client Julie Swetnick came forward with claims-which she later changed-that Kavanaugh was involved with parties where gang rapes routinely occurred and he spiked girls' drinks.
Justice Roberts said: "We wish you a long and happy career in our common calling".
Kavanaugh's wife watched the lively session as did his daughters, who were granted a day off from school to see their father's first day on the nation's top court.
Trump's ceremony speech hammered a theme he has been hitting on all week: hoping to energize Republicans by attacking Democrats for opposing Kavanaugh.
The cases challenge the types of crimes that qualify as violent felonies under that law and can lead to 15-year mandatory minimum sentences.
This "speaking truth to power" line has been spoken in reference to Anita Hill, the woman who accused SCOTUS Justice Clarence Thomas of sexual harassment back in 1991; Hill has now had an HBO movie and a documentary glorify her testimony.
Kavanaugh's allies predicted the partisan air around his confirmation would fade.
After the allegations against Kavanaugh were scrutinized, principled Americans saw that it was wrong to presume Kavanaugh guilty without evidence and permit the Democrats to assassinate his character.
Senate Majority LeaderMitch McConnell, who was welcomed at the White House with a standing ovation, on Sunday praised his party's senators, whom he said re-established the "presumption of innocence" in confirmation hearings. "That process is over", he said.
Independent court analysts, however, predict Kavanaugh is likely to concur with more conservative interpretations of the law, giving a solid 5-4 ideological edge on the court to those who lean to the right.