Yet, the average adult today would have difficulty reading Common Sense, let alone understanding the arguments, and articulating the basic premise.

FORBES: The Un-Education of a Nation: Where We Went Wrong

The DUP's Paul Givan spoke about the difficulty of reading the budget document.

BBC: Budget Bill

Button said making predictions about the order of the teams at the first race in Bahrain on 14 March was difficult because of the difficulty of reading the times in testing.

BBC: Jenson Button says there is more to come from McLaren

He explained how he has always had difficulty with reading and also has what he describes as "name blindness" but while doing this work he realised that he could use a different part of his brain.

BBC: 'Klingon' helps Milton Keynes man deal with dyslexia

Employers lament that they have difficulty hiring people with basic reading and writing skills.

ECONOMIST: Education in Thailand

In his report, Sir Jim defines dyslexia as a "learning difficulty which primarily affects skills involved in accurate and fluent word-reading and spelling".

BBC: Teacher training to spot dyslexia