Democratic presidential candidate Hillary Clinton characterized the United States as racist and lamented what she described as a troubling increase in racial segregation in modern-day America in a speech on Saturday.What do you think? “As a mother, a grandmother, and a human being, my heart is bursting for the people of Charleston,” Clinton said in remarks delivered at the 83rd Annual Meeting of the United States Conference of Mayors, currently happening in San Francisco.What do you think? “Once again, racist rhetoric has metastasized into racist violence,” she said, referring to the acts of Dylann Roof, the 21-year-old man who has...