online poker

What are the laws on playing poker online? (assuming residence in the USA) Are they enforceable? If I created a poker bot (an automaton that plays expertly on online poker sites), would I be breaking any laws, or would I simply be breaking the poker site's agreement? What are the ethics of...

Can someone give me one good reason that online poker should be illegal? The most common reason is that it can be addicting and someone may lose all their money. Well in response to that, i say if you believe that is a valid reason, then you MUST also believe we should make cigarettes illegal...