That was a wonderful spew of facts, but maybe try connecting them Wente.  If women are graduating in such large numbers, yet still continue to be paid less than men, why do you think they stay home from mat leave more often then men?  Could it possibly be because the family would rather have the larger income-earner continue to be paid? 

Maybe add up your Google facts and link them and you'll see why there are marches like the one last week.