MELANIE PHILLIPS: At last! A watershed moment as the sadistic pack who rampage across the web are taught a lesson

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The legal action set in train by Lord McAlpine against those who used Twitter to defame him looks set to achieve more than merely vindicating his unjustly damaged reputation. Lord McAlpine is preparing to sue for libel a long list of people who falsely suggested on Twitter and other social media outlets that he was a paedophile.

DAILY MAIL COMMENT: PM’s indecision plays into Labour’s hands

Cunning ploy: Miliband's conversion to Euroscepticism is nothing short of breathtaking

Seeing the opportunity to make trouble for David Cameron and possibly gull some wavering voters into switching to Labour, Mr Miliband suddenly declares that the EU doesn’t seem to be working.

Red Ed’s new Mr Fixit is a real calamity

Michael Dugher has been made the new vice-chairman of the Labour Party, and now will be responsible for communications and convincing the public that Labour is ready to govern once again

ANDREW PIERCE: Michael Dugher will be responsible for communication strategy and promoting the canard that Labour has changed and is ready to govern again.

We should certainly explore the medicinal use of Cannabis- but always be alart to its addictive properties

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DR ROBERT LEFEVER:THC certainly has its own medicinal effects, such as helping with pain relief and improving the desire to eat- very useful in cancer treatment. But, there are other ways of achieving those results without risking addiction.

JANET STREET PORTER: From my men to my hair colour - unlike Charles, you can ask me anything!

Janet St Porter says Prince Charles needs to come clean on his finances

Why can't Prince Charles come clean about his finances, talking to trees and whether or not he eats seven boiled eggs for breakfast everyday? Columnist Janet Street-Porter thinks he ought to - after all, she would!

This week's elections expose the collapse of the public's trust in our institutions

Out of touch: Both David Cameron and Nick Clegg received terrible favourability ratings in the last poll

Polls show that the British people are inexorably losing faith in their governing elites and institutions, just 14 per cent of us trust politicians to tell the truth, and only 17 per cent of us trust government ministers.

MPs who trample on the graves of heroes who gave Britain freedom of speech

David Cameron

The demand last week by 42 Conservative MPs and peers for statutory regulation of the Press was deeply disturbing, newspapers play a huge role in maintaining our liberal democracy.

BLACK DOG: Helen gives her hounds the slip

Under fire: Helen Boaden fled through the back door when she heard a camera crew were waiting

Helen Boaden (pictured) was spotted visiting Sue Inglish at the BBC's Westminster office but made a quick getaway when she was warned that one of her own BBC film crews lay in wait to ambush her.

Three stories linked through the Ministry of Defense: BBC, CIA, CDS

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WILLIAM FORBES: Curiously, the three major stories to emerge during the last fortnight, perhaps of equal importance although that will depend on the reader’s standpoint, are all linked to the British Ministry of Defence, the MoD.

Dragging us into a futile war is a job for the political blowhards, General - not YOU

Head of the Armed Forces: General Sir David Richards said the humanitarian situation in Syria may call for intervention

PETER HITCHENS: I hate to say it and he won’t be pleased by my endorsement, but Paddy Ashdown is right. Afghanistan is not worth the life of one more British soldier.

I woke to headlines saying I had 26 mistresses... and I STILL argue Leveson mustn't muzzle the press

Birmingham Yardley MP John Hemming, and his partner Emily Cox arrive at Birmingham Crown Court

As an MP with a 'colourful' personal life, I have experienced numerous run-ins with newspapers - including The Mail on Sunday.

Mr Crew's despair at his children is unexceptional, but he should apologise for calling them 'copulation driven'

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PETER MCKAY: Mr Crews' wrote a letter to his children expressing his disappointment in them all. Many parents in his position will have said far worse. His rebuke to his children is shocking only because it has been revealed to the world. But he should apologise for the phrase 'copulation-driven.' It's something we might think, but should never utter.

Mansion tax, a bargain we can't afford

Nick Clegg, whose party lost its deposit at the Corby by-election, needs a victory to appease the simmering Left wing of the Liberal Democrats

Sometimes deals can be dangerous. Conceding a policy you hate, in return for being allowed one you desire, is more likely to destabilise a government than to keep it on the rails.

And now, without the aid of a safety net, it's Dave on the EU high-wire!

Test: David Cameron will set out how he aims to change the terms of Britain's EU membership

JAMES FORSYTH: Before Christmas, the Prime Minister is 'almost certain' to set out how he aims to change the terms of Britain's membership of the European Union.

It's not about gay weddings, Mr Osborne, honour your vows on tax help for married couples

George Osborne

STEPHEN GLOVER: Voters who are married will want to know whether the Government intends to carry out its promise about tax allowances.

There is something profoundly wrong with a Britain where only the 'little people' pay taxes

Starbucks chief

IAN BIRRELL: Amazon, Google and Starbucks, three of the corporate giants that define our age and all of which preach the language of ethical capitalism, have been exposed as money-grabbing pirates.

What's worse for a baby...a sip of Pinot Grigio or a guilt-ridden mum?

Even moderate amounts of alcohol when pregnant can lower baby's IQ, according to new study

VIV GROSKOP is angered at the constant warnings dished out to pregnant women - the latest says women must avoid alcohol or risk their baby having a lower IQ

What's wicked is playing politics with a dying mum and baby

The 31-year-old dentist died after doctors at Galway University Hospital refused to perform a medical termination

JAN MOIR: Following the tragic death of Savita Halappanavar, I simply do not believe that the staff of Galway University Hospital stood by and idly watched a woman die.

Bing

Our roads would be miles safer if we tore down the traffic lights

Gridlock: In most of our major towns and cities, the culprit for the majority of slow traffic is a red light

Brian Viner: Along with signs, barriers and other examples of street furniture, traffic lights have multiplied in places where they are simply not necessary.

Archbishop Justin Welby will try to be all things to all men

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ADRIAN HILTON: Throughout his entire Christian life, Justin Welby has sought to appeal to all people so that by all possible means he might save some.

Was BBC's blind hatred of Thatcher to blame for McAlpine smear?

Seized on: Since a successful libel case in 1986 by two Tory MPs, anything that could damage the reputation of Mrs Thatcher - such as the incorrect slurring of one of her leading lights - has been seized on by the BBC

SIMON HEFFER: In the Sixties and Seventies, the BBC was at the forefront of a movement to tear down traditional establishment values.

Cutting aid to India? Glad I'm not you, Justine

Street life: India has 360 million people living on less than 35 pence per day

MARTIN SAMUEL: Although India has one of the fastest growing economies in the world, Britain's withdrawal of aid will only add to the disastrous conditions many have to live in.