♪ judy: good evening. tonight, use of force. another police killing in minnesota sparks protests and focuses attention on the testimony of george floyd's brother at the murder trial of derek chauvin. then, attack in iran. iranian officials blame israel for destroying a power generator at an underground nuclear facility as contentious international negotiations continue. and empire of pain. a new book exposes how some members of the secretive sackler family amassed of their menorahs -- their enormous fortune and helped trigger the opioid crisis. >> they launched this campaign