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 consistency, answers should be in all lower cased letters.

[Q]: Category: LETHAL WEAPONS 
Clue: In the largest man-made explosion in history, the USSR detonated a 50-megaton one of these in 1961
[A]: a hydrogen bomb


[Q]: Category: HOOSIER DADDY 
Clue: As a weatherman, this late night talk show host congratulated a tropical storm on being upgraded to a hurricane
[A]: dave letterman


[Q]: Category: AUTHORS ON AUDIOTAPE 
Clue: This sitcom star reads his own "Dirty Jokes and Beer", subjects he might have learned about in Cleveland
[A]:
drew carey