Christie and Trump are now both vying for the GOP nomination.Elijah Nouvelage/Getty Images and Robert Perry/Getty Images Trump wants to know if Chris Christie has a problem with "SIZE." Christie, a onetime Trump ally turned sworn rival, announced his 2024 campaign on Tuesday. Trump then uploaded a video edited to make it look like Christie was at a buffet. Once allies and now bitter rivals, presidential candidates Chris Christie and Donald Trump have taken to slinging insults at each other as the GOP primary heats up with a bevy of new contenders.Their latest clash has seen Trump unveil a new strategy — making cryptic references to Christie and "SIZE.""How many times did Chris Christie use the word SMALL?