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: NASHVILLE 
Clue: A tribute album to this late singer includes Elton John singing "Stand By Your Man"
tammy wynette

Category: BEFORE & AFTER 
Clue: Dueling vice president who created the puppet show "Kukla, Fran and Ollie"

aaron burr tillstrom