According to a release from U.S. Senate Finance Committee Chair Ron Wyden (D-OR), Pfizer is the only company that has refused to cooperate with the Finance Committee's investigation into the means by which large pharmaceutical companies use offshore tax havens to avoid paying taxes. --- Wyden Demands Pfizer's Compliance with Committee's Pharma Tax Investigation Finance Committee Has Contacted Six Companies in its Investigation into Big Pharma Tax Avoidance; Pfizer is the Only Holdout Refusing to Answer Questions Washington, D.C. – Senate Finance Committee Chair Ron Wyden, D-Ore., sent a letter late last week demanding Pfizer's compliance with the Finance Committee's...