„One of the things I do worry about sometimes among progressives in the United States, maybe it‘s true here as well, is a certain kind of rigidity where we say, ‚Uh, I‘m sorry, this is how it‘s going to be,‘ and then we start sometimes creating what‘s called a ‚circular firing squad,‘ where you start shooting at your allies because one of them is straying from purity on the issues,“ Obama said a town hall in Berlin, Germany, hosted by the Obama Foundation.