Some papers do, not all - but that political bias exists across the board.
I'd wager good money the average IQ of a UKIP voter is statistically significantly lower than that of the average Conservative voter.
(Daily Mail link for lulz) - I love the way this article trolls it's reader base.
http://www.dailymail.co.uk/sciencet...conservative-politics-lead-people-racist.html
Right-wingers are less intelligent than left wingers, says study
Children with low intelligence grow up to be prejudiced
Right-wing views make the less intelligent feel 'safe'
Analysis of more than 15,000 people
"The study, published in Psychological Science, claims that right-wing ideology forms a 'pathway' for people with
low reasoning ability to become prejudiced against groups such as other races and gay people."
'Cognitive abilities are critical in forming impressions of other people and in being open minded,' say the researchers.
'Individuals with lower cognitive abilities may gravitate towards more socially conservative right-wing ideologies that maintain the status quo.
'It provides a sense of order.'
Just to give it a bit of balance also - 'Clearly, however, all socially conservative people are not prejudiced, and all prejudiced persons are not conservative.'
But the statistical trend does exist.