“It’s always shocking when something like this happens,” Donald Trump said tonight about the shooting at the White House Correspondents Dinner . “It was either a tray or a bullet,” he said he heard before agents hustled him to safety. “When you are impactful they go after you, when you are not impactful they leave you alone,” POTUS said of the violence Saturday and previous assassination  attempts against him over the years. “It’s a dangerous profession.” “I like not to think about it,” Trump added. “I’m not a basket case.” To that, as he indicated online earlier, Trump told the assembled well heeled media that he “fought like hell to stay” at the WHCD , but Secret Service insisted he had to get back to the White House. At the same time, with all that went down, Trump did seem more on edge than usual tonight and more circumspect at the same time.…