England in-tray: McCullum says he knows what went wrong in the Ashes – but can he fix it?

The England head coach has five key challenges to address in the buildup to next week’s first Test against New Zealand at Lord’sFor all that the series was obviously a failure, England were competitive for periods of most of the Ashes Tests. But McCullum has repeatedly conceded that in the key moments when matches tend to be decided his side have a habit of stumbling. The question is why, and on Friday he made the telling admission: “I thought some of our guys were more ready f