All eyes are still on the Senate for student loan borrowers, and the main development this week is that there's growing challenges brewing against the GOP House bill, particularly among anti-deficit Senators. Sen. Johnson of Wisconsin says he has allies who are ready to hold up the bill to get vastly larger spending cuts as well as more deficit reduction. But other senators are voicing concerns about cuts to Medicaid. With these conflicting concerns, it's clear that the Senate will come out...