Jimmy Hoffa to the U.S. Senate in the 1964 election. Hoffa spent the next three years unsuccessfully appealing his 1964 convictions. Appeals filed by his chief counsel, St. Louis defense attorney Morris Shenker, reached the U.S. Supreme Court. He began serving his sentences in March 1967 at the Lewisburg Federal Penitentiary in Pennsylvania. Just before he entered prison, Hoffa appointed Frank Fitzsimmons as acting Teamsters president. Fitzsimmons was a Hoffa loyalist, fellow Detroit resident, and a longtime member of Teamsters Local 299, who owed his own high position in large part to Hoffa's influence. Despite this, Fitzsimmons soon distanced himself from Hoffa's
Trade union early 1979, when a significant percentage of the nation's public sector workers went on strike. By this stage, some 12,000,000 workers in the United Kingdom were trade union members. However, the election of the Conservative Party led by Margaret Thatcher at the general election in May 1979, at the expense of Labour's James Callaghan, saw substantial trade union reform which saw the level of strikes fall. The level of trade union membership also fell sharply in the 1980s, and continued falling for most of the 1990s. The long decline of most of the industries in which manual trade unions were