sentences:  During his short tenure as president, Williams was forced to reopen the national trucking agreement in September 1981 and accept a two-year wage freeze (which the union ratified in March 1982).After a two-month trial during which extensive wiretapping evidence was heard, Williams and four others were convicted on December 15, 1982 for conspiring to bribe Nevada Senator Howard Cannon to defeat a trucking industry deregulation bill, the Motor Carrier Regulatory Reform and Modernization Act of 1980.Williams attempted to remain president of the Teamsters, however.