CNN’s @jakestapper: "There is no evidence of widespread voter fraud."

White House chief of staff Mark Meadows: "There’s no evidence that there’s not either. That’s the definition of fraud, Jake." #CNNSOTU https://t.co/F6hQkaEele pic.twitter.com/g9XXgz2ZBS

— CNN Politics (@CNNPolitics) August 16, 2020

Thanks to Huffpost.

Meadows is deploying the argumentum ad ignorantiam. 

The burden of proof is always on the believer, an important reminder on Sunday for believers in the major superstitions---and also the many minor ones, for that matter. It's not up to us skeptics to disprove nonsense, political or religious.