Former federal prosecutor Harry Litman used his Wednesday evening appearance on MSNBC to lay into right-wing Judge Aileen Cannon’s latest behavior in the Mar-a-Lago classified documents case — and explain how special counsel Jack Smith, too, has grown fed up. Cannon, who has intervened in the case in former President Donald Trump’s favor multiple times and is herself a Trump appointee, has moved to propose the jury consider Trump’s baseless claims to be shielded from prosecution for hoarding classified documents by the Presidential Records Act — while refusing to resolve the issue herself, in …