HOUSTON (AP) — Frank Randazzo, a retiree near Houston, volunteers for his local GOP office knocking on doors of undecided voters amid the most expensive U.S. Senate race in the country. He did a double take when a man with a Beto O'Rourke sign in his yard declared he was voting Republican.

PHOENIX (AP) — Republican Rep. Martha McSally accused her Democratic opponent, Rep. Kyrsten Sinema, of supporting "treason," citing a 15-year-old radio interview -- a charge that Sinema dismissed as part of a "ridiculous" negative campaign during Monday's debate in the race for Arizona's open Senate seat.

SALT LAKE CITY (AP) — U.S. Rep. Mia Love clashed with her Democratic challenger Monday as she defends her seat in a close race where suburban voters have been wary of President Donald Trump and national Democrats are hoping for a win in a push to regain control of the House of Representatives.