claim: William Cohen is a politician.
evidence: State leaders in the 20th century -- Current state leaders -- State leaders by year. State leaders in the 20th century. List of state leaders in the 20th century. Current state leaders. List of current heads of state and government. State leaders by year. Lists of state leaders by year. This is a list of the leaders of autonomous states in the 21st century -LRB- 2001 -- present -RRB- AD , such as the heads of state , heads of government , and the general secretaries of single-party states .. heads of state. head of state. heads of government. head of government. general secretaries of single-party states. General Secretary of the Communist Party. These polities are generally sovereign states , including states with limited recognition -LRB- when recognised by at least one UN member state -RRB- , but excludes minor dependent territories , whose leaders can be found listed under territorial governors in the 21st century .. states with limited recognition. List of states with limited recognition. dependent territories. dependent territory. listed under territorial governors in the 21st century. List of territorial governors in the 21st century. For completeness , these lists can include colonies , protectorates , or other dependent territories that have since gained sovereignty .. dependent territories. dependent territory. colonies. colony