Governments — Change of government — Effects — Former Head of State — Status in United States law — Whether entitled to immunity

State immunity — Head of State's immunity — Nature and purpose — Whether right of the State or the individual — Waiver — Whether capable of being waived by State against wishes of individual — Former Head of State — Waiver of immunity by current government

Diplomatic relations — Immunity — Head of State — Nature of Head of State's immunity — Waiver — Waiver of immunity of former Head of State by current government — The law of the United States