Odd that he didn't mention perhaps the largest factor in Euro/American relations - the changing face of intra-European relations.8 years ago most Europeans were much less keen on integration that they are today? Why? The financial crisis, and in the east, Russia.
The collapse of the financial markets and subsequent currency runs in Denmark and Hungary, to name only a few, have stimulated substantial interest in nations joining the common currency, including those like Denmark that had in the past rejected it. Support for the Euro is even increasing in Britain (no doubt because the pound is close to par!
Russia, well, that's a long story.
The other factor is when will Italy be thrown out of the EU?