The US president's public backing of Turkey's bid to join the European Union irked France and Germany, but will help boost ties with a key Muslim ally.
The US president got a ringing endorsement of his new Afghanistan strategy – but only 3,000 new, mostly non-combat troops.
While French and British leaders have been high profile, the low-key German chancellor is getting credit for the summit's regulatory focus.
As president heads to France, Europeans ask how best to respond to an ally that is suddenly sending all the signals it has hoped for.
The Obama-Hu exchange seemed to go well, while dinner Wednesday night gave Obama and Germany's Merkel a chance to reach greater détente.
The global crisis has led to political upheaval in many countries, unseating three prime ministers in Europe alone.