"Price discrimination (getting rich people to pay more for much the same thing) is all the rage these days," says the Chicago Tribune editorial board. McDonald's "quietly shunted the price-conscious ...

The consistency of McDonald's menus across the U.S. makes it an always-welcome pit stop. When you're far from home, however, you may come across an unfamiliar food or drink on the beloved chain's menu ...

But there's a catch!