Sen. Dianne Feinstein, D-Calif., on Thursday threw a cryptic curveball at Brett Kavanaugh, insinuating the Supreme Court nominee could be guilty of a crime even as Democrats on the Senate Judiciary Committee seek to delay his confirmation. The vague accusation comes after the Senate Judiciary Committee already grilled Kavanaugh and other witnesses and prepares to vote on sending his nomination to the full Senate. A spokesperson for Feinstein declined Fox News’ request to elaborate on the lawmaker’s statement, but there has been much speculation that she is referring to a secret letter that has been the subject of intrigue on...