In 1974, a jury in Media, Pa., convicted former United Mine Workers of America president W.A. ???Tony??? Boyle of three counts of first-degree murder for ordering the killings in 1969 of union rival Joseph A. Yablonski, Yablonski's wife and daughter. (The convictions were overturned, but Boyle was found guilty in a re-trial.) Palestinian gunmen killed 16 civilians, mostly women and children, in th