George Eaton is political editor of the New Statesman.
The party's current rules bar the group from doing so - and that is unlikely to change.
As Jeremy Corbyn warned that she was in "denial" over the "crisis", the PM sought to shift attention to the economy.
The Labour leader first declared his support for an earnings cap in 2015. Why wasn't it repeated?
Opinion polls have shown that most voters, in theory, favour a fall in house prices. But do they in practice?
The First Minister knows that her demand of a "soft Brexit" is unlikely to be met.
Rather than leaving the EU, the Front National leader wants to "renegotiate" France's membership.
The illusion of sovereignty conferred by the referendum will vanish once the negotiations begin.
Leavers are targeting all those deemed ideologically impure: MPs, the judiciary and the civil service.
The party held Copeland by just 2,564 votes in 2015.
The German Chancellor defends her refugee policy after being accused of allowing terrorism "to thrive".
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