What are the 2022 midterms actually about? A referendum on Biden? Whatever pundits say the top issues are? Or is it something else?

In a two part episode, Justice Democrats staffers (ft. a guest from Left Rising) take some bets on the wins/losses the Democratic party is about to experience in November before sitting down to investigate what ads Dems are running and what ads are being run against them. What do the polls/propaganda pieces tell us about Democratic messaging? And more importantly: are these messages working?