What is the West ? If it's the economic and power interests of the US and Europe then why should Turkey prove its loyalty. If its some concept of democracy, human-rights etc (none of which are exclusive property of the West) then Turkey is surely to be congratulated for trying to steer a middle course.
Malaysia sends team to Reunion Island to see if aircraft debris is from MH370 flight (Reuters)
from the article: U.S.: Turkey must prove its commitment to the West