Michelle Obama has spoken out against the killing of George Floyd, saying she is 'exhausted' by the racist attacks on black people in America, while calling on everyone to do their part in 'rooting it out.' The former first lady shared an Instagram post on Friday saying she was 'pained' by the recent string of tragedies in the black community and the 'heartbreak that never seems to stop.' 'Right now it's George, Breonna, and Ahmaud.