Jack Smith on Saturday urged an appeals court to act quickly in deciding whether or not Donald Trump is immune from criminal prosecution in his D.C. election subversion case, a move one legal expert said could force the former president’s hand to act more quickly. Former federal prosecutor Joyce Vance appeared on MSNBC’s American Voices with Alicia Menendez on Saturday, where she was asked about Smith’s appellate filing on the question of presidential immunity. Smith’s motion says Trump is “wrong” in his arguments in favor of immunity, and suggests finding the opposite would put former preside…