Michael Wolraich: I'm reminded of this new research that came out recently from UCLA that found that there was an ideal amount of free time to have in the day. And especially because it underscores the necessity to find a middle path, he says. "I do think work is an integral part of life and has the potential to bring us immense meaning and joy" He asks Simone what she's up to right now as she works on her book about overwork in America.