BREAKING VIDEO: BLACK LIVES MATTER LEADER SAYS “IF TRUMP WINS, WE WILL RIOT IN THE STREETS”. The radical group black lives matter has been disrupting just about all of the presidential candidates campaign stops, but Donald Trump has been the key target. One of their leaders is now threatening the American voter that if they elect Trump as President, there will be riots in the streets. So answer a simple poll question, Are race relations better or worse since America elected the first black president? Take poll below.