On Fox Business, Greg Raymer – 2004 World Series of Poker Main Event Champion – Raymer states his opinion that poker is not illegal under federal law.
Greg goes on to point out that states have laws to allow golf and tennis tournaments for money based on the skill involved in those games and in contrast stresses typical gambling games like roulette are based on chance. He then backs up his opinion that poker is not illegal by emphasizing that poker is “much more of a skill game”. You can watch the interview on youtube