Brexit weekly briefing: May's optimism shattered by another resignation

Jo Johnson’s departure is just one of the snags in a week when the PM hoped for a breakthroughIt is make-or-break for Brexit negotiators this week. Until, of course, next week. As Theresa May inches tortuously closer to an apparent deal, we look back at the main twists and turns in our weekly Brexit briefing, which you can subscribe to for free here.Producing the Guardian’s independent, in-depth journalism takes time and money. We do it because we believe our perspective matters and