LAST week President Bush signed a law that will try to impede online gambling by prohibiting American banks from transferring money to gambling sites. Most Americans probably didn’t notice or care, but it may do significant political damage to the Republicans this fall and long-term damage to Americans’ respect for the law. So, a month before a major election, the Republicans have allied themselves with a scattering of voters who are upset by online gambling and have outraged the millions who love it. Furthermore, judging from many hours of online chat with Internet poker players, I am willing to bet...