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.
At companies, including Caterpillar in France and Visteon in Northern Ireland, workers have occupied offices and detained bosses.
The global crisis has led to political upheaval in many countries, unseating three prime ministers in Europe alone.