ROCHESTER, N.Y.--U.S. Attorney William J. Hochul, Jr. announced today that Mark Valerio, 57, of Macedon, N.Y., pleaded guilty to violating a provision of the Labor Management Reporting and Disclosure Act before U.S. Magistrate Jonathan W. Feldman. The defendant faces up to one year in prison and a fine of up to $10,000. The charge also carries a thirteen year prohibition from holding a leadership role in a labor organization. Assistant U.S. Attorney Craig R. Gestring, who handled the case, stated that between 2003 and 2012, the defendant was President of the International Brotherhood of Electrical Workers (IBEW) Union, Local 249,...