Hillary Clinton, secret agent! When the former secretary of state approached Madam Secretary executive producer Lori McCreary about guest-starring on the CBS drama, her first request was to assume a provocative new identity as a spy. But McCreary had a better idea. “I said, would you ever play yourself?” McCreary recalls of the conversation she had with Clinton at a birthday party last August for former President Bill Clinton. “And she said, ‘I’d consider it.’ But it was a party, so you think maybe people are just making small talk. So when we confirmed that she really wanted to do...