London (AFP) – England captain Eoin Morgan insists it is not his job to tell supporters how to react to shamed Australia stars David Warner and Steve Smith when the arch rivals meet in a crucial World Cup clash on Tuesday. Warner and Smith have found themselves booed by some fans in England after returning to international cricket following year-long bans for ball-tampering. Australia coach Justin Langer has called for the taunts to stop, with India captain Virat Kohli and Pakistan skipper Sarfaraz Ahmed telling their supporters to lay off…