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: TV NEWS 
Clue: Though Walter Cronkite retired at 65, this 65-year-old CBS anchorman, his successor, doesn't plan to
dan rather

Category: MEN OF SCIENCE 
Clue: On a scale of 1 to 10, his "Earthquakes" article for the 15th edition of Encyclopedia Britannica was a 10
richter

Category: AUDIO BOOKS 
Clue: If Julia Roberts has help with her kids, she knows the world of these "Diaries" she narrated

the nanny diaries