Yes, but what about the brussels sprouts?

From "Serial Monogamy: My Cookbook Crushes" by Nora Ephron in the Feb. 13 New Yorker:

This was right about the time that arugula was discoverd, which was followed by endive, which was followed by radicchio, which was followed by frisee, which was followed by the three M's--mesclun, mache, and microgreens--and that, in a nutshell, is the history of the past forty years from the point of view of lettuce.