Colleges are cutting tuition for MBA programs. But it’s not out of charity or because they got another taxpayer-funded subsidy to “fix” exploding higher education prices. Rather, and perhaps counterintuitively, it’s because Uncle Sam finally capped the previously unlimited federal loans for graduate students. At first blush, this sounds like it would make the problem worse. Fewer borrowing options for students seems like it would shift more of the cost of attendance to today, when students are y