The last U.S. Senate contest of the 2022 midterm elections is finally coming to an end Tuesday night. The runoff in Georgia brings an end to a tight and bitter race between Democratic incumbent Sen. Raphael Warnock and Republican Herschel Walker. The result will determine Democrats' margin of leverage in the Senate. Laura Barrón-López joins Judy Woodruff to discuss what to watch as polls close. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders