U.S. food portions: Monuments of decadence?

After having dinner at Clyde's in Washington's trendy Chinatown, a young boy sluggishly gets up to follow his family to the exit. His waitress jokes, "You're stuffed, huh?"The boy lets out a grunt, saying, "Yeah, I'm full. I feel like I'm going to burst," as he ambles to the door.Such is the response of many customers who venture into the popular restaurant. One waitress said, "It depends on the