First, some places, like in McConnell's case, are just statistically going to go to a particular party, due to demographics (or gerrymandering), and primary ele

First, some places, like in McConnell's case, are just statistically going to go to a particular party, due to demographics (or gerrymandering), and primary elections famously don't draw people to the polls (if there's a challenger at all). California and senate elections are slightly better in that regard, however, look at how much money Feinstein was able to raise over her opponents. This is nothing special about Feinstein, it's an advantage incumbents generally enjoy: https://www.opensecrets.org/members-of-congress/dianne-feinstein/elections?cid=N00007364&cycle=2022 https://www.opensecrets.org/members-of-congress/dianne-feins... I think getting this money out of politics is a start to ensuring elections are based on the candidate themselves & their policies and less around how much special interests already have invested in them. I don't have any ideas about how to get more people to show up specifically for primary elections, but the ideas people have around getting more people to vote in general elections could help, like expanding absentee voting, making it a holiday, etc.