Democratic lawmakers take a knee to observe a moment of silence on Capitol Hill for George Floyd and other victims of police brutality June 8, 2020, in Washington, DC. (Photo by BRENDAN SMIALOWSKI/AFP via Getty Images) WASHINGTON (AP) - Democrats proposed a sweeping overhaul of police oversight and procedures Monday, an ambitious legislative response to the mass protests denouncing the deaths of black Americans at the hands of law enforcement.Before unveiling the package, House and Senate Democrats held a moment of silence at the Capitol's Emancipation Hall, reading the names of George Floyd and others killed during police interactions.