Can you trust exit polls?

The broadcasters’ poll for 2017 has delivered a shock. Are the days of them getting it horrifically wrong behind us?
• General election 2017 – latest updates• UK election results 2017 – live trackerThursday night’s exit poll put the Conservatives on 314 seats. If this is correct then a combination of Labour (266), the Scottish National party (34) and the Liberal Democrats (14) would have exactly the same number of votes as Theresa May’s party.A minority To