Salary discrepancy between men and women.The salary gap between men and women in the U.S. has closed significantly in the last 50 years. But despite a generation or so of serious attention to the issue, there’s still a long way to go to achieve the elusive goal of equity.  “These differences aren’t going to go away overnight,” said Dr. Nancy Bush, a marketing professor at Wingate (N.C.) University, noting that equal pay for men and women was part of the Republican platform during the 1956 re-election campaign of President Dwight D. Eisenhower. Men earned as much as 40 percent more [...]