Two Westerville school-district employees did not discriminate against two youngsters who were handcuffed by police after a 2011 school-bus incident, a federal judge has concluded. Tonya Mitchell had sued bus driver Deidre Vandewater and Pointview Elementary School Principal Jeanne Roth, accusing them of discriminating against her son and daughter because they are black. . . . Michelle and Mikeal Mitchell were 7 and 8 and students at Pointview in October 2011 when a fight broke out on their bus. Vandewater kept Mikeal and a female student on the bus until Roth arrived. Later, when Michelle and Mikeal were in Roth’s...