(CNN) -- Senate Majority Leader Mitch McConnell said the Republican Party will still challenge Democratic Sen. Joe Manchin of West Virginia despite his help confirming Brett Kavanaugh to the Supreme Court. "We appreciate his vote for Judge Kavanaugh," the Kentucky senator said Sunday on CBS's "Face The Nation." "I think it was the right thing to do. But we're trying to win seats." While McConnell said he appreciates Manchin's support, he also pointed out that he is "still a Democrat." McConnell, like other Republicans, has harped on what he calls a "mob" of left-wing protesters as an issue in the...