Can Gavin Williamson reopen England's schools?

<div>Boris Johnson has returned from his holiday to embark on a media campaign promoting September's schools reopening. With Scottish pupils already back - and the initial signs of their return looking positive - can Gavin Williamson stage a successful reopening, or will the beleaguered education secretary face another fiasco? John Connolly speaks to Fraser Nelson and James Forsyth.</div>