(Portland, OR)  --  Thousands of protesters gathered in downtown Portland again last night calling for change following the police-involved killings of several black people in the U.S.  Protesters gathered at Revolution Hall and then marched to Grant Park, where they held up their lit cellphones while singing "Black Lives are Magical."  A smaller group gathered at the Justice Center.  Police declared that gathering an unlawful assembly just before midnight and ordered people to leave, saying protesters were throwing objects at them.