What almost all diets have in common

From Mr William Portlock. Sir, I read with interest Charles Wallace’s article about the stressed executives who have espoused red meat as part of the Palaeolithic diet

Public must see how Basel is trading their safety

From Dr John Pattison. Sir, The comments from Stefan Ingves (‘Watchdog to retreat from strict capital rules’, September 30) raise many important issues

Turkey is heading east even as its middle class faces west

From Mr Robert Ellis. Sir, David Gardner claims that since the Gezi Park protests in June, Turkey has never been more European

Press reforms will not allow politicians to interfere

From Prof Steven Barnett. Sir, In your report on the Daily Mail’s intemperate attack on Ed Miliband’s father, your first line explicitly links the row with the proposed independent system of press regulation

Improving Chinese visitor numbers

From Mr Andrew Murphy. Sir, The UK China Visa Alliance warmly welcomes the home secretary’s suggestions to streamline the visa system for Chinese visitors to the UK

No monopoly on change for better

From Ms Elizabeth Forbes. Sir, I am totally bemused. My electricity price from Scottish Power is frozen from June 1 2013 to March 31 2015, which looks to me like 22 months

Centrica is no exception to UK under-investment

From Mr Martin E Simons. Sir, One could challenge the Lex article ‘Minimising utility’ of September 26

Wealthy but unable to spend anything

From Mr Jim Pimpernell. Sir, In a country that has increased its wealth substantially over many years, it saddens me how often I read that we can ‘no longer afford’ some service or other social benefit

A drastic solution – but needs must?

From Mr Peter Simpson. Sir, Reading SG Gwynne’s excellent book Empire of the Summer Moon, I was struck with the relevance to current events in Washington

If only life would imitate art

From Mr Douglas Smith. Sir, Your stunning front-page photo of the US Capitol silhouetted against a fiery sunset immediately brought to mind Götterdämmerung

Neither method of recovery was what Keynes had in mind

From Mr James B Quilligan. Sir, Bachu S Biswas claims that Björn Wahlroos mixed ‘ideology and economic theory’ in his interview that critiqued JM Keynes’s General Theory of Employment

Latest fad may not lead to a long life

From Mr Mark Osborne. Sir, Your report on the current enthusiasm for the so-called ‘Paleo’ diet in Silicon Valley makes for amusing reading

In Italy we like to call our crises ‘politics as usual’

From Mr Raffaele Abbate. Sir, As a child growing up in Italy, one of the first words I learned, associated with government and politics, was ‘crises’

Lost decades of aerospace development

From Mr Matt Andersson. Sir, John Kay’s observation that the 747 he recently flew on is little changed from nearly 40 years ago, is largely correct

Francis promises something more colourful than ‘glasnost’

From Ms Kathleen Heck. Sir, David Gardner needs a better dictionary. Credibility and infallibility are not synonymous

Too painful? Elect different senators

From Prof Sumit Ganguly. Sir, The fiscal pain that the sequestration process has imposed on the denizens of Fort Campbell is, no doubt, substantia

Feed the chickens for some fresh air

From Ms Liz Hewitt. Sir, Page 7, October 1: an advertisement for ‘The most fabulous jewels in the world’

Reach of Keynes’ thinking deserves to be appreciated

From Mr Peter Clarke. Sir, It may well be that Franklin D Roosevelt’s New Deal contained many supply-side initiatives

The marketplace decides the price of potash, not Canpotex

From Mr Ted J Nieman. Sir, Your article contains an incorrect and misleading assertion about the existence of a Canadian cartel

Revolutionary alternative, not ‘capture’

From Prof John Ure. Sir, To take issue with Richard McGregor on the matter of Trotsky may seem arcane, but it is incorrect to suggest that the strategy of entering a social democrat party was to ‘capture’ them

Fragmented derivatives market may cut global risk

From Prof Nicholas Dorn. Sir, If ‘US rules are endangering derivatives reforms’ (report, September 27) then should we be worried or heartened?

Response to chain reactions begins with co-ordination

From Mr Frank Vogl. Sir, Gillian Tett cogently highlights six elements in her article (Insight, September 13) – permit me to add a seventh: the connectivity conundrum

America’s Cup should add to its gain with an annual series

From Mr David H Clarke. Sir, In ‘Winner takes all’ (editorial, September 27) you argue against the high costs of the America’s Cup campaigns

If a thing’s worth doing, it’s worth ... crowing about?

From Mr Karl Treacy. Sir, As someone with no presence on any social networks, I am either recklessly stupid and destined for the dung heap, or a rebellious pioneer

Mugabe shows no willingness to receive western overtures

From Ms Alison Bethel McKenzie. Sir, Michael Holman suggests that the west should ‘set aside old scores and take a fresh look at Zimbabwe’

Formula One of sailing will upset many

From Mr Martin Falkner. Sir, Recent articles in the FT have criticised Larry Ellison for making the America’s Cup ‘insanely’ expensive

France and UK must learn how to wield soft power

From Mr Mian Qadrud-Din. Sir, It would appear Gérard Errera would have President Barack Obama invading Syria to reassure Europe of its ‘strategic’ value

Move urgently to revitalise the St Malo defence agreement

From Lord Robertson of Port Ellen. Sir, Gérard Errera is wise to remind at this crucial time of the historic agreement arrived at at St Malo by Tony Blair and Jacques Chirac

Unanswerable questions from a new FT reader

From Mr Joe Rooney. Sir, It was the wrong day for my wife to start reading the FT. She said: ‘Why is George Osborne taking legal action against the EU cap on bankers’ bonuses’

Components of New Deal mostly microeconomic

From Mr Simon Jaffé. Sir, Bachu Biswas writes that it is ‘factual’ that Roosevelt’s New Deal ‘injected massive amounts of government spending’

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