Conversation so far:
when was Duncan Hunter first elected?
In 1980
for what party was Duncan Hunter elected?
The republican Party
did Duncan Hunter win the election for the republican party in 1980?
Duncan Hunter was one of many Republicans swept into office from historically Democratic districts
who did Duncan Hunter narrowly defeat when he swept into office from historically democratic districts?
Lionel Van Deerlin
did Duncan Hunter run again in the next election?
Duncan Hunter was reelected 13 more times with no substantive opposition

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