Republican House Oversight Committee Chair James Comer (KY) cited CNN's Jake Tapper to claim that former President Joe Biden's executive orders were "null and void."
During a Wednesday interview on Fox Business, host Stuart Varney insisted there was "no evidence that Biden knew of crucial climate executive orders."
"What happens if Biden really didn't know? Are those orders null and void?" Varney asked Comer.
"I think they would be null and void," the Republican lawmaker agreed. "We don't believe that a lot of these executive orders are legal, if for no other reason, Joe Biden did not sign them himself."
Comer pointed to the Biden administration's use of the autopen: "You have to physically sign anything pertaining to the law, whether it be a pardon or whether it be an executive order."
The powerful Oversight chair vowed to force four low-level Biden staffers to testify before his committee.
"We want to know who told them to do that, and we're going to follow the trail, just like we followed the money in the Biden influence family investigation," he said. "And look, that's what Jake Tapper is saying. That's what he wrote his book about. That's what all of his interviews about his book is saying that Joe Biden wasn't the one calling the shots."
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"That's a constitutional crisis," Comer insisted. "But more important to today, to this very moment, many of those executive orders that were signed with the autopen are what we call Trump-proofing the Trump administration."
"We think this will have huge legal impacts if we can prove what Jake Tapper and many of us believe it wasn't Joe Biden."
Varney wondered if Biden and his son, Hunter, could be forced to testify before the committee.
"I guess anything's possible," Comer admitted. "I would prefer to have depositions and transcribed interviews where we release the transcript, possibly even release the video."
"A lot of these committee hearings are — never turned out the way that we hoped. They're more entertainment than substantive," he added.
