Sarah Vowell identifies a phenomenon that's sort of a cultural rerun. It's an analogy that gets made over and over in different situations: people who often are not black, or women, or in any way involved with civil rights, comparing themselves to Rosa Parks.

The men and women on staff at This American Life decide to get their testosterone levels tested, to see who has the most and least, and to see if personality traits actually do match up with hormone levels. It turns out to be an exercise that in retrospect, we might not recommend to other close-knit groups of friends or co-workers.

Host Ira Glass talks with Starlee Kine, who loves TV reruns more than first-run shows. She explains that even if it's a show she hates—Caroline in the City for example—she'll watch the rerun.