Today Westminster has been abuzz with speculation over the general election result after YouGov analysis suggested the Conservatives are on course for an electoral upset which could see them lose their majority. The YouGov team have been busy defending the numbers behind the headline, with Joe Twyman appearing on today's Spectator’s Coffee House Shots podcast.

However, despite their best efforts, some are unwilling to accept YouGov's findings. Step forward Jim Messina. The former Obama adviser -- who did the Tory's micro-targeting campaign in 2015 and is involved again this year -- has taken to social media to brand the YouGov poll 'stupid':

https://twitter.com/Messina2012/status/869928746974949378

Messina has challenged YouGov's general manger Ben Leet to a wager -- looks like June 9 could prove costly...