Seniors offer tips for happy lives

Wouldn't it be great if we could get a "do-over" in life, like when you were a kid and a ball rolled into traffic? Karl Pillemer, a gerontologist at Cornell University, can't fix the mistakes of the past, but he does have some ideas on how we can have fewer regrets in the future.

Bonnie Miller Rubin, Chicago Tribune reporter

February 1, 2012