So, according to the DoI letter the DoI and the Sec. of Interior changed the name, not Obama. Hm. Won't stop Fox and the rest of the nutjobs in Ohio and on the net from losing their minds.
So, how about Reuters, USAToday, Discovery, BBC...
Obama changing name of Alaska's Mount McKinley to Denali | Reuters
Obama administration renames Mount McKinley to Denali
Obama Changes Mt. McKinley to Denali, Restoring Native Name : Discovery News
Mount McKinley's Alaska name Denali is restored by Obama - BBC News