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In an interview with CNN's Jake Tapper on Sunday, Palin explained why she'd want to put in charge of the that department: to promote business development and eventually shut down the department altogether.
"I think a lot about the Department of Energy, because energy is my baby - oil and gas and minerals, those things that God has dumped on this part of the earth for mankind's use instead of us relying on unfriendly foreign nations, for us to import their resources," Palin said.
"And if I were head of that, I'd get rid of it, and I'd let the states start having more control over the lands that are within their boundaries and the people who are affected by the developments within their states," she added. "It'd be a short-term job, but it would be really great to have someone who knows energy and who is pro-responsible development to be in charge."
In an interview in July, Trump said he'd love to have Palin in his cabinet.
"I'd love that," Trump said. "Because she really is somebody who knows what's happening and she's a special person. She's really a special person and I think people know that."
Palin and Trump have been publicly friendly for years. And as Trump's star has risen in the 2016 race, Palin has been a frequent advocate for the real-estate mogul. Palin, the 2008 Republican vice presidential nominee, refused to speak out against Trump after his controversial comments about her former running mate, Sen. John McCain (R-Arizona).
Earlier this week, Palin criticized Bloomberg Politics for questioning Trump about on his knowledge of the bible. Despite the fact that Trump star says that the bible is his favorite book, he has refused to cite specific verses that are favorites.