“For those of you that want to vote because you think he’s an anti-vaxxer, he’s not really an anti-vaxxer. That’s only his political moment. So, RFK, his views on vaccines are fake, as is everything else about his candidacy.” MSNBC: In a striking video on Truth Social, Donald Trump criticizes Robert F. Kennedy Jr., dismissing him as a ‘radical left Democrat’ amid polls indicating Kennedy is siphoning votes from Trump’s campaign. Emphasizing the urgency, Trump states he would prefer Joe Biden over ‘Junior,’ arguing that the country would fare better under Biden’s administration than the ‘immediate collapse’ he predicts with Kennedy. Trump could theoretically put him away quickly if he wanted to: Robert F. Kennedy Jr. has challenged Donald Trump to a head-to-head debate for when both address a Libertarian convention later this month, a move that comes as the presumptive GOP nominee has ramped up both criticism of Kennedy’s independent bid and demands that President Joe Biden meet him on a debate stage. Arguing that he is “drawing a lot of voters from your former supporters,” Kennedy said to Trump in an open letter posted Tuesday to X that the Libertarian convention provides “perfect neutral territory for you and me to have a debate where you can defend your record for your wavering supporters.” Trump is taunting Joe Biden every day now to debate (knowing that he won’t agree to do it until the fall because he’s the president not some gadfly.) But he refused to debate any of his primary rivals and he’s…