Leading the efforts against him in the Senate are three key Republicans on the Armed Services Committee with their own military credentials : the chairman and a former secretary of the Navy , Senator John W. Warner of Virginia ; Senator John McCain of Arizona , a prisoner of war in Vietnam ; and Senator Lindsey Graham of South Carolina , a military judge .
John McCain
Arizona
/people/person/place_lived
Virginia
Navy
/location/location/contains
ORGANIZATION
Senate
ORGANIZATION
Navy
LOCATION
Virginia
PERSON
John McCain
LOCATION
Arizona
LOCATION
Vietnam
PERSON
Lindsey Graham
LOCATION
South Carolina