"One should have a single, not a double, standard."
These were the (translated) words of Iranian President Hassan Rouhani, speaking at a conference I recently attended in Tehran. His observation was in reference to the habit of the United States & Co of decrying terrorism but then applauding terroristic behaviour when it serves their interests.
US mastery of the double standard means that, for example, the word "terrorism" is dutifully applied to situations in which planes are flown into US buildings, but not to ones in which US warships shoot down Iranian passenger jets, killing everyone on board. READ MORE AT AL JAZEERA ENGLISH.