Mad Men: Megan's Shirt Is Just Like Sharon Tate's. What Does It Mean?

It's not often that we see the women of Mad Men in T-shirts, even when dressed down, so it was a little jarring when, in the most recent episode's final scene, Megan is wearing a white tee with a big, red star on it. It almost seemed anachronistic, but not only was it accurate for 1968, it was "no coincidence,"… » 5/29/13 3:10pm 5/29/13 3:10pm