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.

[EX Q]: Category: SISTER CITIES 
Clue: San Francisco, California is a sister city to this one in Italy
[EX A]: assisi

[EX Q]: Category: POLITICAL CAMPAIGNS 
Clue: This man's successful 2001 campaign was the most expensive non-presidential campaign in history
[EX A]: michael bloomberg

[EX Q]: Category: IN THE NEWS 
Clue: Requested by Ulysses S. Grant in the 1870s, it was first used by Bill Clinton August 11, 1997
[EX A]:
line-item veto