Why the Tories are wrong to hope for a Thatcher-style poll recovery

Unlike Thatcher in the 1980s, the current Conservative Party does not enjoy the advantage of a divided left.

Having trailed Labour in every poll since 18 March (three days before George Osborne's fateful Budget), the Conservatives are consoling themselves with the thought that they have been here before. Margaret Thatcher, they recall, often lagged behind in the polls but twice recovered to win landslide victories in 1983 and 1987. At the Conservative conference earlier this month, David Cameron told a 1922 Committee/ConservativeHome reception that between 1983 and 1987, the Tories averaged just 24 per cent in the polls but went on to win a majority of 102 seats at the election. While he would "settle for less than that", he believed that "boundaries or no boundaries", the Tories could win. It's not just Cameron who is seeking to strike a more optimistic tone. Ken Clarke recently told the cabinet that "he had never been in a government that had been more popular at mid-term." With unemployment and inflation down, and the economy out of recession (although for how long remains to be seen), some Tories are beginning to dream of a majority again. But a closer analysis of the polls suggests that they're wrong to be so sanguine.

First, it's unclear which polls Cameron is referring to when he claims that the Tories averaged support of 24 per cent between 1983 and 1987. As UK Polling Report's comprehensive archive of polls shows, only once (on 12 August 1985) did backing for the party fall this low. Cameron probably meant to say that support for the Tories averaged 24 per cent at this stage in Thatcher's second term (as his personal pollster Andrew Cooper is reported to have told the cabinet), but even this claim doesn't stand up. In 1985, support for the party more often stood at around 33 per cent. The Thatcher recovery was not as great as the Tories suggest.

Second, unlike Thatcher, the current Conservative Party does not enjoy the advantage of a divided left. One of the biggest obstacles to a Labour majority in the 1980s was the strength of the SDP-Liberal Alliance, which won 25.4 per cent of the vote in the 1983 election and 22.6 per cent in 1987. It is the present weakness of the Lib Dems that is one of the biggest obstacles to a Conservative majority.

While it is the Tories who are in second place in most Lib Dem seats (38 compared to 17 for Labour), any gains they make from Nick Clegg's party are likely to be outweighed by the gains Labour makes as Lib Dem defectors carry the party to victory in Tory marginals (see Rob Ford's recent post "Who benefits from a Lib Dem collapse?" for more on this). We are seeing this trend at work in the Corby by-election, where a recent poll by Lord Ashcroft found that support for Labour had risen from 39 per cent to 54 per cent since the general election, while support for the Lib Dems had plummeted from 15 per cent to five per cent. Corby is one of 38 Labour-Tory marginals where the third place Lib Dem vote is more than twice the margin of victory, showing the potential for Miliband's party to make significant gains even if Clegg's party partially recovers before 2015. In addition, while existing Lib Dem MPs, many of whom enjoy large local followings, are likely to benefit from an incumbency effect, it is the Tories, not Labour, who will suffer as a result (as I noted, Cameron's party is in second place in 38 of the Lib Dems' 57 seats).

Finally, while the Conservatives' core vote has held up better than many expected (the latest YouGov poll puts them on 33 per cent, down just three per cent since the general election), there is no evidence of the party advancing beyond this. The Tories are still in retreat in those areas – the north, Wales, Scotland – that denied them a majority at the last election. Rather than drawing false comfort from history, the Conservatives should focus on adopting the policies needed to change this, something they currently show little sign of doing.

The Conservatives hope that David Cameron, like Margaret Thatcher, will overturn Labour's poll lead before the general election. Photograph: Getty Images.

George Eaton is political editor of the New Statesman.

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The problems with ending encryption to fight terrorism

Forcing tech firms to create a "backdoor" to access messages would be a gift to cyber-hackers.

The UK has endured its worst terrorist atrocity since 7 July 2005 and the threat level has been raised to "critical" for the first time in a decade. Though election campaigning has been suspended, the debate over potential new powers has already begun.

Today's Sun reports that the Conservatives will seek to force technology companies to hand over encrypted messages to the police and security services. The new Technical Capability Notices were proposed by Amber Rudd following the Westminster terrorist attack and a month-long consultation closed last week. A Tory minister told the Sun: "We will do this as soon as we can after the election, as long as we get back in. The level of threat clearly proves there is no more time to waste now. The social media companies have been laughing in our faces for too long."

Put that way, the plan sounds reasonable (orders would be approved by the home secretary and a senior judge). But there are irrefutable problems. Encryption means tech firms such as WhatsApp and Apple can't simply "hand over" suspect messages - they can't access them at all. The technology is designed precisely so that conversations are genuinely private (unless a suspect's device is obtained or hacked into). Were companies to create an encryption "backdoor", as the government proposes, they would also create new opportunities for criminals and cyberhackers (as in the case of the recent NHS attack).

Ian Levy, the technical director of the National Cyber Security, told the New Statesman's Will Dunn earlier this year: "Nobody in this organisation or our parent organisation will ever ask for a 'back door' in a large-scale encryption system, because it's dumb."

But there is a more profound problem: once created, a technology cannot be uninvented. Should large tech firms end encryption, terrorists will merely turn to other, lesser-known platforms. The only means of barring UK citizens from using the service would be a Chinese-style "great firewall", cutting Britain off from the rest of the internet. In 2015, before entering the cabinet, Brexit Secretary David Davis warned of ending encryption: "Such a move would have had devastating consequences for all financial transactions and online commerce, not to mention the security of all personal data. Its consequences for the City do not bear thinking about."

Labour's manifesto pledged to "provide our security agencies with the resources and the powers they need to protect our country and keep us all safe." But added: "We will also ensure that such powers do not weaken our individual rights or civil liberties". The Liberal Democrats have vowed to "oppose Conservative attempts to undermine encryption."

But with a large Conservative majority inevitable, according to polls, ministers will be confident of winning parliamentary support for the plan. Only a rebellion led by Davis-esque liberals is likely to stop them.

George Eaton is political editor of the New Statesman.

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