If Labour still failed to set a date for the poll it would be "a fundamental breach of commitment" and his party should say: "I'm sorry, we can't do business for the rest of this parliament".

BBC: Hughes issues Lib-Lab ultimatum

The rulings also seem to breach a fundamental tenet of Anglo-American law: no right without a remedy.

ECONOMIST: The Supreme Court

To suggest, as one or two in senior military positions have publicly, that those with such attitudes should "vote with their feet" is an astonishing breach of fundamental leadership together with a cavalier disregard for the impact such an exodus would have on military effectiveness.

CENTERFORSECURITYPOLICY: Gen. Carl Mundy: Don't Ask, Don't Tell

Yet the more fundamental argument that armed drones somehow breach the laws of war does not, at present, stand up.

ECONOMIST: The ethics of warfare

The fundamental questions are more basic: Has there been a breach of trust?

FORBES: Fact and Comment