Critics erupt on social media site for allowing 'racist attack from the left' to trend ---- "Uncle Tim" trended on Twitter Wednesday night as left-wing users flooded the site with the racial slur on Sen. Tim Scott, R-S.C, following his rebuttal to President Biden's address to Congress. Scott, who is Black, declared the United States is not a racist country while noting he had encountered racism in his life. Some of it, he said, came from the left in the form of being called an "Uncle Tom," a derogatory phrase for Blacks who are viewed as too deferential to Whites....