Byron York explains that Barack Obama isn't nearly as popular as he seems, because some of his support comes from negroes:
On his 100th day in office, Barack Obama enjoys high job approval ratings, no matter what poll you consult. But if a new survey by the New York Times is accurate, the president and some of his policies are significantly less popular with white Americans than with black Americans, and his sky-high ratings among African-Americans make some of his positions appear a bit more popular overall than they actually are.
As everyone knows the preference of a negro respondent is worth only three-fifths that of an actual (white) respondent. Here is an example of some non-actual Obama supporters: