MINNEAPOLIS (AP) ??" Celebrities, musicians and political leaders gathered in front of George Floyd's golden casket Thursday for a fiery memorial service for the man whose death at the hands of police sparked global protests, with a civil rights leader declaring it is time for black people to demand, "Get your knee off our necks!"The service ??" the first in a series of memorials set for three cities over six days ??" unfolded in Minneapolis at a sanctuary at North Central University as a a at...