Commentary: Joe Biden seems to think school segregation is nearly unsolvable. These efforts prove him wrong

Democratic primary candidates this summer made school desegregation a campaign flashpoint. It's an issue Americans battled over, then mostly retreated from, nearly four decades ago, despite ample studies detailing how students of all backgrounds benefit from integrated campuses.

"We're segregated now," former Vice President Joe Biden told a reporter at an event in New Hampshire, before asking rhetorically whether California Sen. Kamala Harris - who made waves at the first Democratic debate with her own desegregation story - would want to order federally imposed busing all