operate below their potential when just by changing the rules a little, you could give them a better chance to meet their potential. >> our thanks to warren buffett for that. now, christine, as for why buffet is speaking out about this now, he told me he has been talking about this to student groups who come visit him for years. after he read cheryl sandberg's book, "lean in" he decides this is a message he twoonts put out there more broadly. look at how much america has accomplished not even using 100% of our talent. he says, there is much more we can do. if you would like to read buffet's essay on women and work, go to fortune.com. thanks, poppy. for more on the empowerment of women don't miss cnn's "girl rising." it tells the story of girls around the world and the power of education for working women, nothing says power like a pair of still let toes. why digging your he'lls in at the office may come at a painful