And here again, Mr. Sarkozy has seemed to go even further, saying over the weekend that the euro zone should have the courage to re-examine its very foundations: the Maastricht treaty that set out debt and deficit rules.

WSJ: Sarkozy Losing Ground, Poll Shows

Some U.S. stock investors declined to position their portfolios defensively going into the weekend, a departure from past euro-zone crises.

WSJ: Dow Bounces Back to Nearly Erase Week's Losses

This past weekend at Imjingak, an area within the Demilitarized Zone (DMZ) popular with tourists, business appeared down only slightly.

CNN: Don't be afraid, Seoul's message to tourists