The point of making something illegal is to stop people from doing it, and penalize them if they do.

Then there’s Internet gambling. The federal government is clear: gambling on the Internet is against the law. And yet millions of Americans do it on hundreds of Web sites, to the tune of billions of dollars.

While Internet gaming is illegal in the United States, correspondent Lesley Stahl reports it is absolutely thriving.

In the virtual casinos of the Internet, you can bet on anything. Spin the wheels on slot machines and roulette, roll the dice in backgammon and craps. You can wager on any sport. Or take a seat at Partypoker.com.