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US Department of Energy Secretary Rick Perry addresses employees for the first time at Energy Department headquarters in Washington, DC, March 3, 2017. Image courtesy Ken Shipp/US Department of Energy. (Photo via Smith Collection/Gado/Getty Images)

US Department of Energy Secretary Rick Perry addresses employees for the first time at Energy Department headquarters in Washington, DC, March 3, 2017. Image courtesy Ken Shipp/US Department of Energy. (Photo via Smith Collection/Gado/Getty Images)