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,

Jen Psaki clapped back at President Donald Trump's communications director Steven Cheung on Thursday after he called her out online over left-behind stationary items that were personalized with her name.