Is a federal anti-gambling statute a legitimate exercise of the federal police power?

The anti-gambling statute here involved, which represents the metamorphosis of the commerce power into a general federal police power, is unlike other federal criminal statutes which have been held constitutional as legitimate exercises of the commerce power. The statute in this case does not include, as an element of the offense, a direct connection with interstate commerce. Nor does the statute criminalize an activity which is uniquely within the province of organized crime, as does the anti-loansharking statute upheld in Perez v. United States, 402 U.S. 146, 91 S. Ct. 1357, 28 L.Ed.2d 686 (1972).