Conversation so far:
when was Duncan Hunter first elected?
In 1980, Hunter was recruited to run for Congress.
for what party?
Republicans.
did he win the election?
Hunter narrowly defeated.
who did he narrowly defeat?
18-year incumbent Democrat Lionel Van Deerlin.
did he run again in the next election?
he was reelected 13 more times.

Question: why did he decide to stop running in elections?
Self-contained rewrite: why did Duncan Hunter decide to stop running in elections?