chicken sandwich McDonald’s at last enters the chicken sandwich wars begin by Popeyes 3 years ago After almost two years of attempting to beat chicken with burgers, fast food's goliath has entered the chicken sandwich fray.… Wendy’s releases jalapeno popper new chicken sandwich week ahead of McDonald’s 3 years ago Wendy's jalapeno popper chicken sandwich is most recent move in cheap food 'chicken sandwich war' McDonald's has been advertising its…