Humans Are Only As Bad As The Systems We Build Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Marvin Greer holds a sign and flowers while taking a knee with other protesters Thursday, June 4, 2020, in Richmond Heights, Mo. ( Jeff Roberson / Associated Press ) Hosted by Brooke Gladstone Produced by WNYC Studios