18:00Six O'Clock News06/07/2019 UK in 'political nervous breakdown'-ex MI6 bossBBC Radio 4 Duration: 15 minutes Sat 6th Jul 2019, 18:00 on BBC Radio 4 FMAvailable for over a yearListen nowSir John Sawers criticises the calibre of the leaders of two main parties. Some Tory members have received more than one ballot paper to choose new PMGenresNewsBrandSix O'Clock News Source: BBC Online