'Tis the season for our holiday cookie recipe swap! Leonard and Ruth Reichl talk cookies...including the many fabulous recipes submitted by our listeners. Also: a look at the esthetics of evolution. A former software executive on why she changed her life and moved to Paris. Plus, oral historian Studs Terkel tells his own life story, after years of telling other peoples' stories!

On Wednesday's show, we talk about the challenges and rewards of being a caregiver to an ill family member. Leave your comment here.