A joint session of Congress is set to convene on Monday afternoon to certify President-elect Donald J. Trump’s victory in the 2024 election, performing a basic ritual of democracy that was brutally disrupted four years ago by a violent pro-Trump mob inflamed by his lie about a stolen election. There is no hint of a similar scene this time, although security has been stepped up at the Capitol. Unlike Mr. Trump back then, Vice President Kamala Harris has not disputed her loss in November, and...