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The Liberal Democrats are back - and the Tories should be worried

A Liberal revival could do Theresa May real damage in the south.

There's life in the Liberal Democrats yet. The Conservative majority in Witney has been slashed, with lawyer and nominative determinism case study Robert Courts elected, but with a much reduced majority.

It's down in both absolute terms, from 25,155 to 5,702, but it's never wise to worry too much about raw numbers in by-elections. The percentages tell us a lot more, and there's considerable cause for alarm in the Tory camp as far as they are concerned: the Conservative vote down from 60 per cent to 45 per cent.

(On a side note, I wouldn’t read much of anything into the fact that Labour slipped to third. It has never been a happy hunting ground for them and their vote was squeezed less by the Liberal Democrats than you’d perhaps expect.)

And what about those Liberal Democrats, eh? They've surged from fourth place to second, a 23.5 per cent increase in their vote, a 19.3 swing from Conservative to Liberal, the biggest towards that party in two decades.

One thing is clear: the "Liberal Democrat fightback" is not just a hashtag. The party has been doing particularly well in affluent Conservative areas that voted to stay in the European Union. (It's worth noting that one seat that very much fits that profile is Theresa May's own stomping ground of Maidenhead.)

It means that if, as looks likely, Zac Goldsmith triggers a by-election over Heathrow, the Liberal Democrats will consider themselves favourites if they can find a top-tier candidate with decent local connections. They also start with their by-election machine having done very well indeed out of what you might call its “open beta” in Witney. The county council elections next year, too, should be low hanging fruit for 

As Sam Coates reports in the Times this morning, there are growing calls from MPs and ministers that May should go to the country while the going's good, calls that will only be intensified by the going-over that the PM got in Brussels last night. And now, for marginal Conservatives in the south-west especially, it's just just the pressure points of the Brexit talks that should worry them - it's that with every day between now and the next election, the Liberal Democrats may have another day to get their feet back under the table.

This originally appeared in Morning Call, my daily guide to what's going on in politics and the papers. It's free, and you can subscribe here. 

Stephen Bush is special correspondent at the New Statesman. His daily briefing, Morning Call, provides a quick and essential guide to British politics.

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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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