Rugby World Cup winner Steve Hansen says he could never coach England

• New Zealand coach confirms he will step down in 2017• Sonny Bill Williams believes All Blacks can cope without McCaw and CoThe New Zealand head coach, Steve Hansen, has ruled out working with England or any other Test nation after steering the All Blacks to their historic 2015 Rugby World Cup triumph. Hansen does not plan on continuing in his job past 2017 but is not interested in helping England or any other rival side.The 56-year-old, whose team have become the first to win successive World Cup titles, has coached Wales but will resist any offers to coach internationally overseas again. “N…