You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: U.S. GEOGRAPHY 
Clue: Of the USA's 50 tallest peaks, all are in Alaska, Colorado & California except this peak
mt. rainier

Category: U.S. PRESIDENTS 
Clue: 1 of the 3 U.S. Presidents to run on a third-party ticket after having already served as president
teddy roosevelt, martin van buren & millard fillmore

Category: NAMES IN THE NEWS 
Clue: In 1998 America's second-largest federal building was named in his honor

ronald reagan