I n selecting Emilio Gay and James Rew for their Test squad to face New Zealand , England have in one sense been true to their word. The Ashes mea culpa included a promise to give more weight to domestic performances. Both men tick that box. And yet as the team picks up the pieces after the 4-1 defeat in Australia, wounds licked and lessons learned, perhaps the question is whether they are staying true to themselves more broadly – or even, who actually are they these days? Asked about his future as head coach at the end of the Ashes tour, and whether he could change his approach, Brendon McCullum gave a notably qualified answer. “I have a firm conviction in a lot of my methods,” McCullum replied. “I’m not against evolution and progress. However, you need to stand for something. Without being ultimately able to steer the ship, maybe there is someone better.” Among those methods was having a pared-back support staff.…