主题：zt 关于重庆：一群普通共产党员的困惑 -- 清虚

According to one account, Mr. Wang was summoned to Beijing to give evidence against Mr. Bo that was then leaked or disclosed to Mr. Bo. That may have been what set off a high-stakes vendetta between the two men and Mr. Wang’s decision to seek refuge in an American consulate about 200 miles from Chongqing in early February, bearing information on the investigation into Mr. Heywood’s death — and the sensational accusations that Ms. Gu had plotted to poison him.