Analysis: Race issues beset Obama's "post-racial" presidency

Division and tension between black and white Americans has cropped up repeatedly over Obama's 18 months in office, hurting his popularity and distracting from his political agenda.

The issue surfaced this week when the Agriculture Department pushed a black official to resign after allegations she discriminated against a white farmer, only to apologize a day later for acting too quickly and without the facts.

Some said the White House was too eager to prove to its critics on the right that it does not favor blacks.

"The Obama administration lost some political capital because they acted without thinking things through," said Andra Gillespie, a political scientist at Emory University.

Obama and race relations have often grabbed headlines.

Last July -- in the heat of the White House fight for its healthcare overhaul -- when Obama was subjected to scathing criticism for saying police had "acted stupidly" when they arrested Harvard University scholar Henry Louis Gates, who is black, on charges he was breaking into his own home.

More recently, the Justice Department dismissed voter intimidation charges against the New Black Panther Party, prompting criticism from conservative groups who said the black president was unwilling to prosecute fellow blacks for civil rights violations.

"When the right-wing noise machine starts promoting another alleged scandal, you shouldn't suspect that it's fake -- you should presume that it's fake, until further evidence becomes available," columnist Paul Krugman wrote in The New York Times.

Read more on Reuters.com...