Watch: Tim Shriver on Oprah, Julia Roberts and George W. Bush answering The Call To Unite

See Tania's interview with Tim Shriver, Chairman of @SpecialOlympics and organiser of @TheCallToUnite, a 24 hour live-streaming global event tonite from 8pm US Eastern supporting those feeling anxious and isolated at this time. Participants include Oprah, Julia Roberts, Naomi Campbell, Jennifer Garner #AnswerTheCall