When President Donald Trump vetoed the $900 billion stimulus bill Tuesday night, he claimed sending $600 checks to working Americans wasn't enough.<br />But according to Business Insider, some Republicans aren't buying it.<br />One anonymous GOP official said Trump was throwing a 'tantrum' in order to punish GOP lawmakers who didn't back his bid to hold onto the presidency.<br />As Trump left to spend the Christmas holidays in his Mar-a-Lago resort in Florida on Wednesday, the White House was fielding furious calls from Republicans.<br />They wanted to know why they were told that Trump supported the bill and asked them to vote for it, only to be abandoned at the last minute.