From Las Vegas Sun – The case for federal online poker legislation was once about adults’ freedom to spend their money as they like and states’ need for an extra source of revenue. When that fell flat, online poker advocates regrouped and began calling for federal legislation as a way to combat gambling addiction and abuses, especially among children and senior citizens. But Wednesday morning, a panel of experts Sen. Dean Heller gathered before the Senate Commerce Committee’s Subcommittee on Consumer Protection argued that the chief reasons to pass federal internet gambling legislation were a need to stop money laundering…