If US congresspeople are primarily accountable to their parties (in the sense of being nominated by the parties) they will split into tribes along party lines.
In California and Washington, parties do not nominate candidates; they use a jungle primary. I haven’t examined the citation, but the Wikipedia article on Jungle primaries claims that this hasn’t caused politicians to moderate.
In California and Washington, parties do not nominate candidates; they use a jungle primary. I haven’t examined the citation, but the Wikipedia article on Jungle primaries claims that this hasn’t caused politicians to moderate.