http://sportsillustrated.cnn.com/si_blog...lksphonies.html
And the real reason is simple, and it has nothing to do with protecing credit card companies. The government is unhappy that the money people are losing on gambling Web sites is going overseas. The government is pro gambling because they make money off lotteries, horse racing and casinos. They just don't want the money going to operators of these overseas Web sites.