By Edward Luce
Financial Times
London
Published: February 3 2010 20:09 | Last updated: February 3 2010
At a crucial stage in the Democratic primaries in late 2007, Barack Obama rejuvenated his campaign with a barnstorming speech, in which he ended on a promise of what his victory would produce: “A nation healed. A world repaired. An America that believes again.”
Just over a year into his tenure, America’s 44th president governs a bitterly divided nation, a