Anadolu / Anadolu via Getty Images One of Donald Trump’s former press secretaries said his rambling Tuesday press conference is a sign that he is “mentally slipping.” Trump, 79, spent almost two hours meandering through a picture book, trashing entire nations, undercutting his own press team, floating another name for the Gulf of Mexico, and complaining yet again about not winning the Nobel Peace Prize. Stephanie Grisham, the White House press secretary for nine months during Trump’s first term, said the display was cause for Congress to be concerned. Read more at The Daily Beast.