fatima hassan is founder and director of health justice initiative. served as special adviser to south africa's former minister of health barbara hogan. the cochair of the south african committee on covid-19 has said explicitly the most important way at this point to control the spread of the disease outside of vaccinations around the world is by being. clear about travel -- being very clear about travel. not travel bans, but ensuring only vexed people travel, positive pcr tests before travel , that travelers are asymptomatic, wear masks, and are retested on injury into a country. coming up, three white men have been convicted of murdering ahmaud arbery. we will speak with alicia garza. stay with us. ♪♪ [music break] amy: the great composer and lyricist died friday at the age of 91. he wrote the lyrics to the classic musicals including "west side story" and "gypsy" and was musical mastermind behind many including "sweeney todd." he won the pulitzer prize for drama for "sunday and at the park." on sunday in new york city, the broadway community gathere