In recent days Germans and those affected by the Cold War are celebrating the 20th anniversary of the fall of the Berlin Wall. It is an anniversary worth celebrating. A chasm between the politics of the west and the communist world dissolved and people that had been kept apart for 40 years were suddenly able to come together. The process has not always been easy and far from perfect, particularly in respect of poverty. Nonetheless walls came down: literally and metaphorically.    The White House press release on 6 November leading up to the event says little beyond congratulations:  On the occasion of the 20th Anniversary of the fall…