Boris Johnson wants a conference reset. Will reality ruin it?

The prime minister was hoping to use his party’s major gathering to seize the agenda and set out his plans for the rest of the parliamentary term. Instead, he may be forced to deal with evolving supply chain and fuel crises – and bat off claims that Brexit is to blame. The Guardian’s political editor, Heather Stewart, explains the task he has ahead of him. Help support our independent journalism at theguardian.com/infocus