Advertisement'I'M BACK!' Trump posts on Facebook, YouTube for first time in two yearsUpdated March 17, 2023Lisa LambertDara KerrfacebookEmailFormer President Donald Trump greets guests following an event on March 13, 2023 in Davenport, Iowa. Trump's visit followed those by potential challengers for the GOP presidential nomination, Florida Gov. Ron DeSantis and former U.N. Ambassador Nikki Haley. (Getty Images)This article was originally published on March 17, 2023.