Edward A. Clark with those opposed to the liberal elements, led by Texas Senator Ralph Yarborough. After the assassination of John F. Kennedy in 1963, Johnson became president. In 1965, Johnson appointed Clark as the US ambassador to Australia. In 1972, Clark supported Richard Nixon for president over George McGovern. In 1974, President Nixon appointed Clark to the General Advisory Committee of the United States Arms Control and Disarmament Agency. Later, Clark supported Ronald Reagan, who became president. In 2003, Barr McClellan, an attorney who had been employed by Clark's law firm in Austin, published "Blood, Money & Power: How LBJ Killed JFK".
Attempted assassination of Bernardo Leighton Attempted assassination of Bernardo Leighton On October 6, 1975, an assassination attempt in Rome, Italy, was carried out against Bernardo Leighton, a former Chilean Christian Democratic vice-president, then in exile. The assassination attempt seriously injured Bernardo Leighton, and his wife, Anita Fresno, leaving her permanently disabled. Leighton was one of the founding members of the Chilean Christian Democrat Party. In 1966, he entered the government of Eduardo Frei Montalva, becoming a vice-president. Leighton left Chile in December 1973, after the coup d'état. In exile, he opposed the new regime of Pinochet, he had already been nominally open to Salvador Allende.