Never a good look when an Olympic hero cries as a result of your question. However, I don't think she was insensitive (although the camera work was too much)
"Olympic skier Bode Miller told his Twitter followers that NBC’s Christin Cooper was doing her job when she asked him questions about his brother who died last year. Miller cried and viewers jumped online to complain. ("
This is a fantastic interview with Peter Allen, 5Live's wonderful Drive journalist, talking about how to interview. It includes a particularly affecting interview with the mother of murdered Lucy Blackman, and you can hear him trying to maintain a professional interviewing manner, even as her hear audibly breaks on air.