Stephen Sackur talks to veteran Labour MP Frank Field, one of the few loud pro-Brexit voices in his party. Britain's opposition Labour party is at war with itself, preoccupied with a challenge to Jeremy Corbyn's leadership and riven by accusations of plotting, intimidation and treachery. And all this after the Brexit vote exposed the disconnection between Labour and its core working-class voters. Is this the beginning of the end for Labour? Show less