During the Democratic debate on Saturday, Hillary Clinton claimed that Republicans were against equal pay or equal work.
This is false.
No one is against equal pay for equal work (it's also already the law). The problem for Clinton is that what she is referring to — the gender wage gap — is not about women making less money for doing the same job as men.
The wage gap compares the median salary of all women with the median salary of all men. But on aggregate, women work fewer hours than men, and take more time off from work. Women also tend to enter lower paying occupations than men. This is not a wage gap — it is more accurately described as an "earnings gap."