Simplify the following text for a Grade 11 native English-speaking person.
Original: Cindy Lou Hensley McCain ( born May 20 , 1954 ) is an American businesswoman , and philanthropist , and the wife of United States Senator and 2000 and 2008 presidential candidate John McCain of Arizona .
Simplified: Cindy Hensley McCain ( May 20 , 1954 ) is an American businesswoman and wife of republican senator John McCain .