The channeling of E.U. funds to the Palestinian Authority to unofficial or semiofficial accounts was a bone of contention that often troubled many an honest official of the Union.
He said Iran's advanced home-made centrifuges have been a bone of contention in last week's talks between the Iranian and European Union (EU) negotiators.
The Pershing family had its origins in the Alsace region, now part of France, but for centuries this area had been a bone of contention between France and the German states.