A federal law criminalizing the intrastate use of cell phones and telephones to entice minors into sexual activity is a proper exercise of congressional power under the Commerce Clause, the 2nd U.S. Circuit Court of Appeals has ruled.

Upholding the conviction of former Waterbury, Conn., Mayor Philip A. Giordano for having sex with underage girls, the circuit said 18 U.S.C. �2425 reaches telephone calls that do not cross state lines.