DirecTV says it is walking away from its planned acquisition of EchoStar's video distribution service, DISH DBS, after Dish bondholders rejected a debt exchange offer from the satellite TV provider. "A successful exchange was a condition for acquiring the DISH video business," a DirecTV spokesperson said in a statement to FOX Business on Wednesday. "Given the outcome of the EchoStar exchange, DIRECTV will have no choice but to terminate the acquisition of DISH by midnight on November 22." DirecTV announced ...