CNN) -- Here's proof that President Obama has indeed ushered in a new era in race relations.
Who would have ever expected some white Americans to demand that an African-American man show more rage?
If you've followed the Gulf of Mexico oil disaster, you've heard the complaints that Obama isn't showing enough emotion.
But scholars say Obama's critics ignore a lesson from American history: Many white Americans don't like angry black men.
It's the lesson Obama absorbed from his upbringing, and from an impromptu remark he delivered last summer. Yet it's a lesson he may now have to jettison, they say, as public outrage spreads.
"Folks are waiting for a Samuel Jackson 'Snakes on the Plane' moment from this president as in: 'We gotta' get this $#@!!* oil back in the $#!!* rig!' But that's just not who Obama is,'' says Saladin Ambar, a political science professor at Lehigh University in Bethlehem, Pennsylvania.
Some of the same people crying for Obama to show more emotion would have voted against him if he had displayed anger during his presidential run, says William Jelani Cobb, author of "The Substance of Hope: Barack Obama and the Paradox of Progress."
"It would have fed deeply into a pre-existing set of narratives about the angry black man," Cobb says. "The anger would have gotten in the way. He would have frightened off white voters who were interested in him because he seemed to be like the black guy they worked with or went to graduate school with -- not a black guy who is threatening."
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During a news conference last summer, Obama casually said that police acted "stupidly" when they arrested Harvard professor Henry Louis "Skip" Gates in his home for disorderly conduct after a confrontation with a white police officer.
Obama's comments infuriated many white people, and even some black supporters. Obama had to have a Beer Summit to calm the public uproar.
"He flashed genuine anger," says Ambar. "At that moment, when he touched on the issue of race, he spoke frankly and passionately about what he felt and it got him into a big deal of trouble."
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If Obama wants to go down as a great president, though, he may have to discover the political value of rage, others say.
Franklin Roosevelt was such a president, historians say. During the Great Depression, he went after business leaders who opposed his New Deal policies. Roosevelt once said that he "welcomed the hatred" of the economic elites.
Could Obama become a 21st-century version of Roosevelt, not only in taking on the oil companies but big bankers as well?
Ambar, from Lehigh University, doesn't think so. Obama doesn't share Roosevelt's elite background, which inoculated him from charges of being anti-American. Roosevelt came from a prominent, and wealthy, American family.
"It's easier to do it if your name is Roosevelt," Ambar says. "No one questions your love of capitalism or your patriotism."
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Still, Obama must be careful about getting in touch with his inner-Samuel Jackson, others say.
Just as gushing oil lurks below the Gulf's surface, all sorts of ugly, racial undercurrents exist beneath the surface of American politics, Baick says.
"Our commander in chief has many burdens, and among them is our history and culture," Baick says. "Compared to the weight of that, the current BP crisis and the years of environmental damage and cleanup must seem transient."
http://edition.cnn.com/2010/POLITICS/06/08/rage.obama/index.html?section=cnn_latest