Based on these calculations, Obama's 28 male staffers divided among themselves total payroll expenditures of $1,523,120. Thus, Obama's average male employee earned $54,397.

Obama's 30 female employees split $1,354,580 among themselves, or $45,152, on average.

Why this disparity? One reason may be the under-representation of women in Obama's highest-compensated ranks. Among Obama's five best-paid advisors, only one was a woman. Among his top 20, seven were women.

Again, on average, Obama's female staffers earn just 83 cents for every dollar his male staffers make. This figure certainly exceeds the 77-cent threshold that Obama's campaign website condemns. However, 83 cents do not equal $1. In spite of this 17-cent gap between Obama's rhetoric and reality, he chose to chide GOP presidential contender John McCain on this issue.

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Did you read the comments on the link you posted? My favorite is :

"Maybe McCain's female staff can donate some of their ill-gotten salaries to help victims of rape in Palin's hometown, who are forced to pay for their own forensic examinations. Compassionate conservatism and christianity at it's finest - forcing victims to pay for justice."