1·The path Obama had to navigate as he built an identity and found friends and allies within the world of Chicago's African American politics was a winding one.
当奥巴马在芝加哥的非裔美国人世界里立足脚跟，确立了朋友和敌人时，他探索的航线是曲折的。
2·The identity of these grey men of politics should be revealed.
应揭露这些不露身份的政界人士的身份。