Ousted former prime minister Sheikh Hasina’s vow to return to Bangladesh despite facing a death sentence has raised the prospect of a dramatic comeback for her and the Awami League.Her potential return could revive the rivalry between the banned party and the ruling Bangladesh Nationalist Party (BNP), while curbing further gains for Islamist political forces, according to analysts.Hasina, who has been living in India since her government was toppled by a student-led protest movement nearly two...