Australia heads into this summer's Ashes defence after a tough run in recent Test matches, certainly struggling to score enough runs to win matches. Some of the pieces of that batting puzzle are immovable, but just how far does Australia go in the retention of elder statesmen or the introduction of rookies. Today's discussion will cover a similar situation that occurred for Australia back in 2013, and suggests a similar solution may be the way to go, and that involves the resurrection of Usman Khawaja.