Incorruptible integrity. Relentlessly positive. Profound sense of right and wrong. Genuine. Super-thoughtful. This is how Amy B. Manning is described by her colleagues, friends and family. She is the Chicago office managing partner at McGuireWoods LLP, a 1,000-lawyer firm with 20 offices around the world. Manning also serves on the firm’s executive committee and board of partners. She specializes in criminal and civil antitrust law and commercial litigation. Manning has a packed schedule: three kids, busy …