Europe’s bad mood: Does Obama need to worry?

WASHINGTON — The elec­tions that drove Nico­las Sarkozy out of power in France and left Greece scram­bling to build a coali­tion gov­ern­ment pose a finan­cial threat to the United States that could under­mine Pres­i­dent Barack Obama’s efforts to cast him­self as the agent of a U.S. eco­nomic revival.