The biggest challenge facing Greek Prime Minister Kyriakos Mitsotakis is neither SYRIZA nor the smaller opposition parties nor popular protests. It is the migration crisis, because the issue tends to alienate the New Democracy leadership from the party's traditional base of supporters, local administration officials and deputies.
The estrangement of center-right supporters from the party leadership, a trend that is now emerging in Greece, has been evident for years in the countries of "Old Europe," which have developed well-established parliamentary democracies since as late as the end of the Second World War, such as Italy and Germany, but also France, a country with a long-standing bourgeois tradition.
That said, it would be misguided to blame Mitsotakis, who is a centrist, liberal politician. Any politician at the helm of New Democracy would face the same problem...