Since 'the contract on America', there is no bi partisan cooperation. They essentially do the bare minimum in order to keep the lights on. The majority rules.
Koch Bros. get kudos for playing the long game. When Obama got elected, they realized that they might never see a Republican POTUS in their lifetime. trump is an anomaly. It broke the cycle. But, they focused billions on state and local elections, knowing that the key was in controlling the voting districts.
There are no rules with this SC. Voting Rights Act was abolished.