As if more evidence were needed to prove that Donald J. Trump acts like a Petulant Child.

Btw...here are a few more Synonyms and Antonyms that describe DJT's behavior...
(fm Webster's)...we've seen him display all of them...

"Choleric, Crabby, Cranky, Cross, Crotchety, Fiery, Grouchy, Grumpy, Irascible, Irritable, Peevish, Perverse, Pettish, Prickly, Quick-Tempered, Raspy, Ratty, Short-Tempered, Snappish, Snappy, Snarky, Snippety, Snippy, Stuffy, Testy and Waspish."