President Joe Biden called for more programs that incentivize vaccination. Some groups representing federal workers are raising some objections to the new rules. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/3uHCDO5 WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #biden #vaccines #requirements #federalworkers