How do you go from one life to the other? Not very easily — still, she says, as she prepares for another round in the spotlight with the release Friday of “Fair Game,” the movie based on her infamous 2003 “outing” as a CIA agent.

“I have found it a real challenge to be a public person,” Plame Wilson said in an interview this week from Santa Fe, N.M., where she now lives with her husband, former ambassador Joe Wilson, and their 10-year-old twins. “I was in a world where discretion was good. All of a sudden that changed overnight. That was not easy at all.”