Trump communications director Stephen Cheung mocked Jen Psaki for leaving stationery at the White House, sparking a fierce comeback by the former press secretary on Thursday. Cheung launched his petty attack by telling followers that stationery with Psaki’s name at the top had been found in a cabinet at the White House,

MSNBC host Jen Psaki smacked back at White House communications director Steven Cheung after he tweeted a photo of stationery he found left behind "in a random cabinet" with her name on it, mocking him for trying to attack her for writing thank you notes.