Conversation so far:
What happened in 2005?
David Davis was Shadow Secretary of State for the Home Department.
What was the leadership contest?
the 2005 Conservative leadership contest.
Did he run against anyone?
former Chancellor Kenneth Clarke.
Was there any scandals?
CANNOTANSWER.
Are there any other interesting aspects about this article?
In spite of a strong performance in a BBC Question Time head-to-head debate in the final stage of the leadership contest, Davis could not match his rival's general popularity.
Did he lose the elect?
Davis could not match his rival's general popularity.
What happened after that?
Conservative party members voted to elect Cameron the new Conservative leader.

Question: Did he stay in any form of politics after this?
Self-contained rewrite: Did David Davis stay in any form of politics after the 2005 leadership contest?