What did Jim Cantalupo promise at a Wall Street meeting on April 7?

"The world has changed. Our customers have changed. We have to change, too. " Brave words from Jim Cantalupo, chairman and chief executive of McDonald’s for the previous 100 days, who promised investors at a Wall Street meeting on April 7 that the world’s biggest fast-food chain no longer wanted to be bigger than everybody else, just better.

Laughter can even provide a kind of pain relief. Scientists had proved that laughter produces endorphins — chemicals in the body that relieve pain. They divided 40 university students into four groups. The first group listened to a funny cassette for 20 minutes. The other three groups listened to either an informative tape, or a cassette intended to relax them, or no tape at all. Scientists found that if they produce pain in the students, those who had listened to the humorous tape could tolerate the discomfort for much longer.