"Judge Kavanaugh is an experienced, principled jurist with a strong record of protecting life and constitutional rights", Rep Mia Love, R-Utah said in a statement. The stakes are enormous, and advocacy groups that don't have to unveil their donors are spending heavily to shape the fight.
USA appeals court judges Raymond Kethledge and Amy Coney Barrett were also in contention but CNN reported that Kethledge remains at home in MI and NBC News said Barrett was at her home in IN ahead of Trump's announcement.
At Monday night's announcement in the East Room, Judge Kavanaugh, 53, said: "Mr President, thank you".
Democratic Sen. Doug Jones of Alabama has replaced Republican Sen. But with only 49 votes in the Senate, Democrats have few tools to work with.
Republicans hold a slim 51-49 majority in the Senate, though with ailing Senator John McCain battling cancer in his home state of Arizona they now can muster only 50 votes.
The issue even prompted moderate Republican Sen. Susan Collins of ME and Lisa Murkowski of Alaska.
Tanden told the conference that controlling the courts was essential to protect the rights of minorities.
On the Democratic side, the focus will be on Sens. Heidi Heitkamp (D-N.D.), Joe Manchin (D-W.Va.) and Joe Donnelly (D-Ind.) are waiting until after Trump announces his nominee before revealing how they will vote. And all three are running for re-election in November in states Trump won.
If Collins and Murkowski vote "no" and Democrats all vote "no", the nomination would be blocked.
If no Democrats or independents vote in favor of confirmation, every GOP senator would have to approve of the pick. SCOTUSblog, which covers actions of the Supreme Court, said his opinions have shown an "originalist approach to the Second Amendment right to bear arms", and that he "has not weighed in directly on issues relating to abortion" - two hot-button issues. McConnell has rejected that possibility, saying the decision to not fill the vacancy under Obama was prefaced on it being a presidential election year.
Democrats have little leverage as they try to halt the nomination - though the court's rightward lurch could stoke liberal turnout in the midterm elections in which the House of Representatives is in play.
Meanwhile, liberal groups are already calling on two moderate Republican senators - Susan Collins of ME and Lisa Murkowski of Alaska - to reject the nominee.
We can count on more information in the coming weeks, and also more flashbacks to the Gorsuch nomination process. Feinstein is the ranking Democrat on the Judiciary Committee. If confirmed by the Senate. She said the Senate "should confirm his nomination without delay".
US President Donald Trump is still deliberating on Supreme Court pick.
Republicans are eager to have a new justice in place when the Supreme Court begins its new term in October.
In the coming year the court might have to consider Trump's powers and rights in the investigation into links between his presidential campaign and Russian Federation, and whether he sought to obstruct that probe. As an appeals court judge, Kethledge authored several notable opinions, including one that upheld the death penalty against a suspect who murdered a woman on federal land and a case in OH that questioned whether private citizens can sue the state for failing to enforce pollution controls.
The liberal advocacy group Demand Justice will spend $5 million on ads through September and began airing spots Thursday in ME and Alaska aimed at pressuring Collins and Murkowski.