KPIX CBS Evening News With Scott Pelley January 17, 2014 01:57:00
As ever evolving. this woman has seen the first lady evolve firsthand. >> i have seen her choosing her words so very carefully and it seems now that she is more comfortable expressing herself. >> reporter: mrs. obama was asked by "people" whether she would ever consider plastic surgery or botox. she said "i don't imagine i would go that route but i've also learned to never say never." >> i think that was pure unadulterated honesty. >> reporter: with the focus on healthful foods, exercise and education, yvonne says the big part of the first lady's legacy will be an impact on children but she's ...