Turkey creates tension because of it is the only NATO member with such broad expansionist goals: in Syria, in northern Africa, as well as its occupation of Cyprus (which is part of Europe).

The North Atlantic Treaty Organization (NATO) hasn’t just outlived its usefulness. One of its member states has been wearing out its welcome since the fall of the Soviet Union. Turkey was ...

But with Turkey's decision to allow Sweden into NATO in late January – a move that required unanimous approval by all 31 members of the alliance – it's as if a switch was flipped. Turkey ...