Topic: Chicago Council on Global Affairs
Wednesday's debate between Republican presidential candidates revealed big differences on US military intervention abroad. Yet history shows a candidate's words may not predict his actions as president.
Both the debt deal and the raucous caucus way it came into being calls for a new modesty about the US role in the world.
Tony Blair is the most likely candidate, but would he preach his personal views, or commit the EU to intervention?
Some economists see some rays of light amid the economic gloom.