Mocks Obama’s descent from Air Force One as "inelegant"

While the administration staged Earth Day events, Trump tweeted that "the way President Obama runs down the stairs of Air Force 1, hopping & bobbing all the way, is so inelegant and unpresidential," turning a policy trip into a personal taunt about the president's gait.

"The way President Obama runs down the stairs of Air Force 1, hopping & bobbing all the way, is so inelegant and unpresidential." — Tweet from @realDonaldTrump on April 23, 2014