England win the Investec Test Series 2-0 with victory over New Zealand at Headingley - reflection from Alastair Cook, Graeme Swann, Joe Root, Brendon McCullum, podcast pundit Mike Gatting; plus Australia skipper Michael Clarke; and on the county scene Yorkshire skipper Andrew Gale, Lancashire's Glen Chapple and Ashwell Prince, Hampshire's Jimmy Adams, Warwickshire's William Porterfield