This Houston Chronicle story says Texas Democrats are raising money in support of certain Republican candidates who are running against incumbent Republican State Supreme Court Justices. Texas has an open primary. If Democrats are raising money for certain Republican challengers, it seems likely that some voters who consider themselves Democrats will be motivated to vote in the Republican primary, also with the intent to unseat certain incumbents. Thanks to HowAppealing for the link.
This demonstrates, in ways too numerous to count, exactly what is dysfunctional about duopoly democracy.
The article is behind a paywall, so if you are unable to view it, I am a subscriber and have excerpted portions here, along with my thoughts.
http://brainsandeggs.blogspot.com/2014/02/big-money-d-donors-cross-party-lines-to.html