Former President Donald Trump’s attacks on the jury are the most destructive thing he is doing in the Manhattan criminal hush money case, said former prosecutor Jeffrey Toobin on a CNN panel Thursday evening — and Judge Merchan should be worried about it. The former president has mostly gone after potential witnesses, like his former attorney Michael Cohen, which also violates his gag order and has resulted in a contempt fine from Judge Juan Merchan. But he has also frequently claimed the jurors are liberal Trump haters who cannot be trusted to judge his case fairly. “The judge is not supposed…