(Washington, D.C.)  --  Oregon Senator Ron Wyden is helping lead an investigation into drug pricing.  The U.S. Senate Finance Committee is looking into the spiraling cost of pharmaceuticals.  Republican Chairman Charles Grassley of Iowa told Politico that he feels it will be easy to work with ranking Democrat Wyden.  Grassley said the only point of contention between the two is on medicare drug pricing.  Grassley does not want the federal government dictating prices to drug companies.