Former President Donald Trump sat down with NBC’s “Meet the Press” host Kristen Welker to give a wide ranging interview on why he’s campaigning and his plans.He recalled the initial platform he campaigned on—“Make America Great Again”—but said the country has gotten worse since he left office.“Our country is in serious trouble. I don’t think we’ve ever been so low in terms of, certainly opinion—world opinion and country opinion—people are devastated,” he said.Related StoryHe referenced illegal immigrants “flooding” into the country, including people on the terror watch li …