In it, but not of it. TPM DC
Now Vitter does have a point, in that if the whole United States attempted to free-ride on Canada's prescription subsidies -- with that country having less than a tenth of our population -- then Canada's system would potentially be overwhelmed. More likely, their government would very quickly crack down on re-importation, cutting off the supply to the Yankees.
But who knew Vitter was deliberately trying to destroy Canada's social welfare system, in order to free up their market? This gives a whole new meaning to "Vive le QuÃ©bec libre."