The whole case has turned into a charade because President Trump issued a pardon to Arpaio while there was still a court proceeding underway to see if his conviction should be overturned anyway.
Arpaio is basically saying to President Trump: "Thank you, but I'd rather pursue my case first and try to make your pardon irrelevant."
ThankYou for the Clarity on this issue. You’d think someone would’ve said “ President Trump, before you sign this, you should know his lawyers are pursuing.......”