Decide Aileen Cannon, randomly assigned to preside over the prosecution of Donald Trump within the labeled doc case, is coming below intensely vital scrutiny from the left. Some level out that she was appointed to her place by Mr. Trump. Others spotlight her actions final yr, when she disrupted the paperwork investigation by issuing rulings favorable to him when he challenged the F.B.I.’s search of his Mar-a-Lago resort — earlier than an appeals courtroom dominated that she by no means had authorized…