The sister of truck-driving terrorist Sayfullo Saipov says her brother was “brainwashed” and should be spared death. Umida Saipova said her Uber driver brother had a normal phone conversation with their mother the day before the attack — telling her that he was eating her favorite pastry while driving to the airport to pick up a client. “He was in a good mood. It was a usual, good conversation,” Saipova told Radio Free Europe from her home in Uzbekistan. “We don’t know who has brainwashed him.” Saipova admitted that the family grew concerned when they noticed that Sayfullo Saipov, 29,...