The convicted former president ought to be “magnanimous” and promise to pardon the current president’s convicted son. That’s according to David Urban, former strategist to Donald Trump, who advised his one-time boss to boldly make the vow now that Hunter Biden was found guilty in his illegal gun license trial. “I’d like to see President Trump come out with a statement saying, ‘Look, if Hunter Biden commits to a program of sobriety and inpatient or maybe outpatient [treatment],” he said pretending to be Trump, “‘If he shows up, keeps his sobriety — I’ll pardon him!’ Want more breaking political…