The debate over whether the Scottish region of Great Britain should secede from the UK extends beyond whatever provincial interests unite and divide the state’s regions; it "is also part of a larger question that extends well beyond Britain, to Texas and Colorado, for example, and elsewhere: What are the benefits and drawbacks of larger, politically diverse countries, compared with smaller, more homogeneous ones?" Yet is Britain a large, heterogeneous country even as it is a state in the European Union? Texas is much larger, and yet it too is a state in a union of relatively homogeneous states.
The entire essay is at “Scots Weigh Independence”
 Katrin Bennhold, "How Scottish Independence Relates to Larger Tax Fights," The New York Times, August 21, 2014.