Ask about the issues that matter to the people.
Balanced budget
Securing Elections
Taxes
Campaign Finance reform
Lobbying
Abortion
1st Amendment
2nd Amendment
Reducing Regulation
Those are largely, but not completely partisan in nature. Please, if you have time, craft questions to sniff out the fundamentals.
The object is to preemptively filter out those who stain their oath with advocacies contrary to our self-governing, like “we need to take this to the streets.”