The question implies that if you swap out one, put in another, then all will be well with America — as though our leaders are the cause of all ailments.
When you’re scientifically literate, the world looks different. Science provides a particular way of questioning what you see and hear. When empowered by this state of mind, objective realities matter. These are the truths on which good governance should be based and which exist outside of particular belief systems.
Our government doesn’t work — not because we have dysfunctional politicians, but because we have dysfunctional voters. As a scientist and educator, my goal, wouldn’t be to lead a dysfunctional electorate, but to bring an objective reality to the electorate so it could choose the right leaders in the first place.