In this article from the Independent April 1st 2011 Geoffrey Robertson QC argues it is morally right to kill tyrants like Muhammad Gaddafi. Interestingly, Churchill didn’t agree – he refused to sanction a double agent who wanted to assassinate Hitler. Does assassination break the rules of war?

http://www.independent.co.uk/opinion/commentators/geoffrey-robertson-when-tyrannicide-is-the-only-option-2258671.html#