This points from the passage provide a valid support for Warren's argument that wage discrimination negatively affects women:
Valid Reasonings:
Women today still earn a third less of every dollar a man earns.
The paycheck Fairness Act would ensure that differences in salaries are based on difference in jobs.
More women go to college than men, but unequal pay makes it harder for women to pay back student loans.
Invalid Reasonings:
Members of the Senate have repeatedly blocked voting on the Paycheck Fairness Act.
More middle-class families rely on two incomes for survival.