Whether a court has discretion to dismiss a plaintiff's complaint without leave to replead

QUESTION PRESENTED Whether, consistent with Due Process and Federal Rule of Civil Procedure 15, a court has discretion to dismiss a plaintiff's complaint under Federal Rule of Civil Procedure 8(a) without leave to replead when a plaintiff has not had an opportunity to replead to address the court’s concerns, absent a finding that there is “good reason” for not allowing the plaintiff to replead?