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".
A Rush of Blood to the Head was significantly less successful. "A Rush of Blood to the Head" has been critically acclaimed, and the band received three Grammy Awards for the album; The 2003 Grammy for Best Alternative Album, which was the second year in a row, the 2003 Grammy for Best Rock Performance with the song “In My Place”, and the 2004 Grammy for Record of the Year with the song "Clocks". In 2012, it was ranked number 466 on "Rolling Stone Magazine"'s 500 Greatest Albums of All Time. It was also voted the best album of all time by the listeners of BBC Radio 2