The latest controversy in U.S. politics is over the trade of five Guantanamo detainees for one American soldier – Bowe Bergdahl. The strange thing about this is how ordinary it is: swapping prisoners is normal in war, even in unconventional wars. So, what is really going on here? Mostly, it is about blame-casting – criticizing the Barack Obama administration no matter what it does. The best illustration of this is John McCain, who is currently blasting President Obama for this trade after advocating it a few months ago. So, what is going on here?