Those who favour Brexit imply it would be followed either by a European superstate or the collapse of the EU. Here's why neither is in UK's interests.
He claims to not have what it takes to be leader, but only the justice secretary stands a chance of giving the Thatcherites what they crave.
How the different scenarios could play out.
But will it have swayed women voters?
The swing in betting sentiment the month before the Scottish indyref tells us Boris has his work cut out.
Media coverage of the debate has so far been dominated by Conservative men
A historian responds to Boris Johnson's claim that the EU is pursuing a powerful super-state, like Hitler.
Boris Johnson says so. But the reality about EU minimum wages and the effect on migration is more subtle.
When it comes to Brexit, both the Leave and Remain camps are using psychological trickery to convince voters.
There's an argument to be made for the old way of doing things.
Boris Johnson has made this claim repeatedly – and he's not the only one.
May 2016 sees contests for the position of elected mayor in four major cities across England.
An expert introduces Zac Goldsmith and Sadiq Khan, and considers their chances of securing one of the most coveted positions in politics.
It has taken years to get CETA in place, and it still doesn't work as intended.
The choice of the 'establishment' campaign has irked others in the Eurosceptic camp.
Sorry Boris, those with a bet at stake think we're staying put.
Despite its distance from Europe, Euroscepticism can be observed in Australia. What would a 'Brexit' from the EU mean for Australia?
The peculiarities of the Conservative leadership election system put the blonde one in a very strong position.
Oddly enough, London's mayor will have been cheered to spark a sell-off in the pound when political colleagues barely raised an eyebrow on skittish markets.
Here's what was probably going in that famous blonde head over the past few days.