TAPPER: The battle has now begun over the newest Supreme Court nominee Judge Brett Kavanaugh, who started out his day on Capitol Hill trying to win over senators who could be key in confirming the 12-year D.C. Appeals Court judge. He's facing fierce protest from several top Democrats and liberal interest groups who vowed to fight Kavanaugh's nomination no matter what. But as CNN's Phil Mattingly asks, will any of this be enough to derail Kavanaugh's momentum?</s>PHIL MATTINGLY, CNN CONGRESSIONAL CORRESPONDENT: President Trump's Supreme Court nominee smiling and standing quietly during his inaugural Capitol Hill appearance.</s>SEN. MITCH MCCONNELL (R-KY), MAJORITY LEADER: I think the president made an outstanding nomination.</s>MATTINGLY: Senate Majority Leader Mitch McConnell's office followed by a meeting with Senate Judiciary Chairman Chuck Grassley, offering relative calm amid the fierce partisan war.</s>MATTINGLY: It has already engulfed Washington.
Supreme Court Confirmation Battle Begins