The former Liberal Democrat leader, said in a speech today he had no intention of “giving up” the fight to keep Britain in the single market and restated his commitment to holding a second referendum once a deal with the European Union had been agreed.
The one-time Deputy Prime Minister, 50, said: “While Britain may stand on the brink of a self-destructive Brexit, we can stop it happening. There is a way to change course.
"What this country needs are MPs who are prepared to hold this government to account, fight every step of the way to keep Britain in the Single Market and at the end of the process, offer you a chance to vote on the final deal.
Nick Clegg was talking to Lib Dem supporters today
“I have no intention of giving up, and neither do the Liberal Democrats. Because only the Liberal Democrats will provide the opposition to Theresa May and Jeremy Corbyn that this country so desperately needs.”
Speaking in London, he also accused both Theresa May and Mr Corbyn of having a “pact of silence” over Brexit.
Nick Clegg (R) has said that the Brexit decision can be reversed Election 2017 LIVE Wed, May 31, 2017
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"Strip away the contrast in tone and the differences in language and a striking reality emerges: both the Conservative and Labour positions on Brexit are now more or less identical.
"Pull Britain out of the Customs Union and the Single Market. Abruptly bring an end to freedom of movement. Deny the people any chance to decide on the final deal. They are in total agreement.”
Mr Clegg also claimed that the UK’s decision to leave the EU was already having an impact on the British economy, putting a “squeeze” on average earnings as it failed to keep up with price rises.
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Nick Clegg (R) with Liberal Democrat leader Tim Farron in Kingston
He added: “Price rises have hit energy bills, petrol, and clothes. It's enough to make anyone need a fortifying glass of wine – but last week it was reported that the average price of a bottle of wine has hit its highest price ever.”
Mr Clegg also claimed that leaving the single market would come with a costly long-term price tag of £16 billion a year.
He said: “The Treasury figures are an indictment of the central objective of Theresa May’s negotiating strategy – to walk away from Margaret Thatcher’s Single Market.
Nick Clegg (R) speaking in Kingston as Tim Farron looks on
"This decision alone carries a long-term price tag of £16bn a year. For that money, you could give every hospital in the UK a £12m cash injection, or provide the average school with an extra half a million pounds."
He also added that it was imperative that the country secured a good deal in the upcoming Brexit talks with the EU, as no deal would be a “disaster for Britain”.
“No deal would, according to the Treasury, mean a loss of £45bn a year. To put this in perspective, £45bn is more money than the entire schools budget for England.
Nick Clegg out on the campaign trail
“To plug a gap like that in the public finances you would either need to raise the basic rate of income tax by 10 pence in the pound, or to make cuts to public services and the salaries of those who work for them on an unimaginable scale.
“This is what Theresa May means when she casually threatens to walk away from the negotiating table. No deal isn’t a cuddly alternative to a poor deal. It’s far worse. It’s a disaster for Britain."