The unanswered Ashes questions from a Windies sweep

Mitch Starc set records with the pink ball in Test 100. Scott Boland had an enthralling spell that yielded a hattrick. A series sweep. The feel good touchpoints were there for an Australian team in the Windies, but big questions remain among the batting line-up. We try and answer them. Featured: Alex Malcolm, journalist, ESPN Cricinfo.Subscribe to the ABC Sport Newsletter