Some argue that this is so merely because of current ignorance, others that there is a difference in principle.

ECONOMIST: But can we really explain it all? | The

Here it should be noted that there is no difference in principle between the way the likes of the Obama administration and its supporters treat Israel and the way they treat the US and its non-Israeli allies.

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The principle difference is that modern beers almost invariably have hops in them.

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The difference between America and Europe in dealing with Islam reaches down to some basic questions of principle, such as the limits of free speech and free behaviour.

ECONOMIST: Islam, America and Europe