APPEAL OF THE NEW HAMPSHIRE DEPARTMENT OF TRANSPORTATION (New Hampshire Board of Claims) No. 2008-649.Supreme Court of New Hampshire. Board of Claims.Argued: May 5, 2009. Opinion Issued: July 2, 2009. 1. Torts — Defenses — Sovereign Immunity The existence of immunity for discretionary functions is fundamental to the system of separation of powers. Discretionary function […]