Robert Casey actually said...

Congressional committees must provide oversight to ensure that tax dollars are spent lawfully, efficiently and effectively.

to ensure that taxpayer dollars are being spent effectively on educating the students attending for-profit schools.

I disagree with those who would suggest that you or any other Senator is attempting to take down an industry.

It seems to me they're moving in a direction to try to put more stringent requirements on the industry where there appears to be problems.