In my opinion, this is part of the problem in America. In past days, despite our differences we were all "Americans." This has changed in recent years; to our detriment. This shift can be attributed to many different factors, so I won't attempt to pin it on one thing.
Sean Penn is an idiot. Doesn't he understand that, as a successful Hollywood actor, he is a prime example of what the Taliban, Al Qaeda, and radical Islam, hates? Sean Penn is a pathetic loser.