The campaign should challenge all contenders to a series of 1 hour round-robin one on one face offs. I suggest each candidate brings his campaign manager to ask what he considers the opponent's 3 most vulnerable positions. It should be tough. The recorded videos would be offered on Youtube. This would be the format.
2 minute introduction polite time.
1 minute question
5 minute answer
2 minute rebuttal
30 second catch breath cushion
final vote for me not you - 3 minutes each
thank you 10 seconds simultaneous