Having just gotten around to reading some of the newspapers that piled up while I was at festival, the only article in my newsrag relating to this discussion doesn't say anything about banning gambling. The legislation passed merely makes it illegal for any US bank, credit union, or credit or debit card operator to transmit money from the US to "foreign gambling" addresses.
So we're not prohibited from gambling - only from paying up if we lose. ... (?). (Or collecting if we win ;>(