As I type, the incoming Republican majority in the chamber will have at ... curtail some of their party’s most radical instincts. If there are, say, 54 Senate Republicans, the party’s far-right will be able to do whatever it wants.

After picking up seats in West Virginia, Ohio and Montana and winning an unexpectedly close race in Nebraska, the G.O.P. sealed a majority. Tight races in swing states will determine their margin.

Republicans won control of the U.S. Senate with victories in Montana, Ohio and West Virginia on Wednesday, ensuring Donald Trump's party will control at least one chamber of Congress next year. Republicans were set to hold a majority of at least 52-48 inthe U.