text:  Case in point, the relationship between NATO and Turkey. It is a complicated one. Turkey is big, population 84 million, and of all the NATO members, it has the second largest military force behind the U.S. But Western leaders are increasingly frustrated by Turkey's decisions that do not align with NATO's priorities. It wasn't always this way. The world's Duri Biskarin has a story, starting with a visit to a popular lunch spot in Istanbul that opened the same year Turkey joined NATO.