When Did Milk Become Bad for You?

When Did Milk Become Bad for You?

Last week, as I entered Union Station Metro station in Washington, I saw ads for what appeared to be First Lady Michelle Obama’s “Let’s Move” campaign. It was a series of three ads, the first said: “Let’s move hot dogs out of school lunch.” Okay, fine, because, let’s face it, while hot dogs may be scrumptious and all-beef, they look like small batons of questionable meat.

The second ad said: “Let’s move cheese out of school lunch.” I mean, I guess. Cheese, while a good source of calcium (and delicious), is not necessarily the healthiest thing in the world....