President Donald Trump's pick to replace Brett Kavanaugh on the D.C. Circuit Court of Appeals is expected to face tough questioning from Democrats on the Senate Judiciary Committee Tuesday over what they say is a career of advocating an expansive view of presidential power and working on the widespread rollback of regulations. If confirmed, Neomi Rao would sit on one of the most important courts in the country and one that acts as a springboard to the Supreme Court. Her confirmation hearing Tuesday provides Democrats with the opportunity to press the nominee about her views on the environment, affirmative action,...