Article continues below advertisementDonald Trump's actions are sparking more concerns about his memory and cognitive health.On Sunday, November 30, the president took questions from reporters aboard Air Force One as he made his trip back to Washington, D.C., after spending Thanksgiving at Mar-a-Lago in Florida.Article continues below advertisementDonald Trump's FlubSource: megaDonald Trump admitted he spoke to Venezuelan President Nicolás Maduro seconds after saying he didn't 'want to comment' on the situation."The New York Times reported you spoke with Venezuelan President Nicolás Maduro.