Why the U.S. Covid vaccine rollout is going more slowly than planned: CNBC After Hours

CNBC.com's MacKenzie Sigalos brings you the day's top business news headlines. On today's show, CNBC's Meg Tirrell explains where the U.S. is in its effort to roll out the Covid vaccine. Plus, CNBC.com's Brian Schwartz breaks down the record dollars flooding the critical U.S. Senate runoff elections in Georgia.