Advocates and supporters of Ekpar Asat — a tech entrepreneur and brother of Rayhan Asat, Harvard Law School’s first Uighur graduate — gathered Wednesday in a virtual event commemorating five years since he was detained by the Chinese government and placed in a Xinjiang internment camp.In a speech titled “For You I Rise,” Rayhan Asat said that April 7, 2016 — the day her brother was forcibly disappeared by the Chinese government — marks the “beginni...