NICK Clegg risked opening himself up to being the butt of a string of political jokes yesterday when he suggested he had been "gradually lobotomised" by his time at the head of the Coalition Government.

The Deputy PM blamed the "sheer neurosis and weight" of the relentless Whitehall machine for his supposed condition, claiming the pressures of modern politics left MPs unable to see the big picture.

In a speech to Liberal think-tank Centreforum, Mr Clegg explained: "You stop thinking a bit. You stop looking into the middle horizon. Instead your nose is pressed up against the window pane of everyday activity. But if there ever was a time that we need to think big, it is now."

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