New coronavirus variants prompt wave of travel bans, restrictions 

Tuesday, December 22, 2020 - 4:54pm

The discovery of new variants of the coronavirus in the UK and South Africa have prompted a wave of travel bans and restrictions to take effect around the world. But it's an open question as to whether these measures are actually effective. Host Marco Werman speaks to Lawrence Gostin, the director of Georgetown Law's O'Neill Institute for National and Global Health Law.