Vitter holding forth on trying to take insurance away from his staff. Like a very dumb dog with a chewed-to-nothing bone, Sen. David Vitter (R-LA) just can't let go of congressional staff able to get health insurance with a subsidy through Obamacare. For five years he's been thrashing this one around, and finally his own Republican colleagues—in a committee he chairs!—have said "enough." The Senate's Small Business Committee on Thursday denied its chairman's request to subpoena documents from the D.C.