For newspapers such as the Sunday Telegraph the test seems to be much simpler.
In the Sunday Telegraph, Mr Clarke said tax increases were something "every Conservative tried to avoid".
According to the intelligence report cited in the Sunday Telegraph, today that number exceeds 2, 000.
The Sunday Telegraph said an ICM poll of 501 people shows Mr Clarke's public popularity is slipping.
So why did the government choose to leak the announcement to the Sunday Telegraph on Saturday evening?
Sir Peregrine Worsthorne, former editor of the Sunday Telegraph, said the take-over was a sign of "national decline".
Speaking to The Sunday Telegraph, Mr Price urged the food industry to apply "renewed rigour" to their testing regimes.
The Sunday Telegraph has reported five complaints were made to the corporation about Mr Simmons' successful appearance in the competition's semi-final.
As a journalist for the Sunday Telegraph, he has become a member of an influential new British school of cricket writing.
But Mr Cameron told the Sunday Telegraph that the party would not be "playing it safe" at what will be their conference.
Mr Duncan Smith told the Sunday Telegraph he would "encourage" people who do not need such financial support "to hand it back".
The figures for disciplinary action were initially obtained in a Freedom of Information request to the GMC by the Sunday Telegraph.
The NSPCC children's services director Wes Cuell told the Sunday Telegraph the move could stop people doing things that were "perfectly safe and normal".
"Now it is all about building a great, global luxury-goods business based on several centuries of heritage, " he told the Sunday Telegraph of London.
The Sunday Telegraph claims officials from the Director of Public Prosecutions department will meet auditors who uncovered more than 70 illegal accounts later this week.
Writing in the Sunday Telegraph, Prime Minister David Cameron responded to the warnings by insisting there would be no "lurch to the right" by the Conservatives.
But the Sunday Telegraph reports that the government plans to ease the burden on taxpayers by allowing local councils to generate more revenue from business instead.
The Sunday Telegraph said the Labour candidate's earnings were paid into a company meaning he paid corporation tax of 20% rather than income rate of 50%.
According to the Sunday Telegraph, documents sent by MI6 to Libyan intelligence chief Moussa Koussa reveal a double agent was recruited to infiltrate an al-Qaeda terror cell.
The Sunday Telegraph , the Sunday Times and the Independent on Sunday all focus on Robert Pires and his late winner in the 2-1 defeat of Fulham.
The Sunday Telegraph reported they had met the publicist Max Clifford last August to discuss the possibility of putting their side of the story in a television interview.
He told The Sunday Telegraph that this was the first time he had spoken about the peer's disappearance on the record since he was interviewed by the police in 1974.
Forty Conservative MPs wrote to the Sunday Telegraph praising the principles of the bill, without mentioning Andrew Lansley - something the newspaper suggests is a "snub" to the health secretary.
Writing in the Sunday Telegraph this morning, the Chancellor says he won't stand in the way of such a banking union but that the UK will not be part of it.
Writing in the Sunday Telegraph, the former chairman of Lazards Investment Bank, Ken Costa, said the finance industry had lost sight of the need to do good as well as make money.
BBC: Ed Miliband warns of St Paul's protest 'danger signals'
However, Starbucks felt his remark about "smell the coffee" was a "cheap shot" at the company and considered suspending millions of pounds worth of investment in the UK, the Sunday Telegraph reported.
Asked by the Sunday Telegraph whether he thought people in this financial position should return such income to the state, Mr Duncan Smith said he would "encourage" them to "hand it back".
BBC: Duncan Smith 'relaxed' over well-off pensioner paybacks
Earlier, Mr Grayling was quoted in the Sunday Telegraph as saying he would expect a future majority Conservative government to scrap the Human Rights Act - which was introduced under the last Labour government.
The Sunday Telegraph NEVER gets scoops in technology.
FORBES: Dan Loeb Doesn't Snitch To Third-Rate British Newspapers
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