A caller on Thom Hartmann show suggested this idea last week.
Because of 1985 GAO Ruling we can deny Federal funds to the states that vote to NOT raise the debt ceiling. Summary
TREASURY DEPARTMENT - SECRETARY OF TREASURY - AUTHORITY - PAYMENT OF OBLIGATIONS DIGEST: THE SECRETARY OF THE TREASURY HAS THE AUTHORITY TO DETERMINE THE ORDER IN WHICH OBLIGATIONS ARE TO BE PAID SHOULD THE CONGRESS FAIL TO RAISE THE STATUTORY DEBT CEILING AND REVENUES ARE INADEQUATE TO COVER ALL REQUIRED PAYMENTS. THERE IS NO STATUTE OR ANY OTHER BASIS FOR CONCLUDING THAT THE TREASURY MUST PAY OUTSTANDING OBLIGATIONS IN THE ORDER THEY ARE PRESENTED FOR PAYMENT. TREASURY IS FREE TO LIQUIDATE OBLIGATIONS IN ANY ORDER IT DETERMINES WILL BEST SERVE THE INTERESTS OF THE UNITED STATES. COMMITTEE ON FINANCE UNITED STATES SENATE YOU HAVE REQUESTED OUR VIEWS ON WHETHER THE SECRETARY OF THE TREASURY HAS AUTHORITY TO DETERMINE THE ORDER IN WHICH OBLIGATIONS ARE TO BE PAID SHOULD THE CONGRESS FAIL TO RAISE THE STATUTORY LIMIT ON THE PUBLIC DEBT OR WHETHER TREASURY WOULD BE FORCED TO OPERATE ON A FIRST IN-FIRST-OUT BASIS.
http://www.gao.gov/products/449522A great video of Thom Hartmann explaining this idea that was posted on the DU videos earlier.
http://www.thomhartmann.com/bigpicture/thom-hartmann-does-obama-have-secret-weapon-debt-ceiling-debate