**Why many House Democrats aren't running for re-election.** https://www.msn.com/en-us/news/politics/why-many-house-democrats-aren-t-running-for-reelection/ar-AAS7e1W **List of U.S. Congress incumbents who are not running for re-election in 2022.** https://ballotpedia.org/List_of_U.S._Congress_incumbents_who_are_not_running_for_re-election_in_2022