My point is that isn't happening. Due to partisan deadlock party P can't implement solution S.
If that «half the public outright denie[d] truth and fact, proudly» caused such «partisan deadlock» that «party P [couldn]'t implement solution S», what you had stated would be that no legislation would be passed...
If that «half the public outright denie[d] truth and fact, proudly» caused such «partisan deadlock» that «party P [couldn]'t implement solution S», what you had stated would be that no legislation would be passed...