And some aides to Netanyahu told The Jewish Daily Forward that it was background reading for the President, given the crisis with Iran, and the Book of Esther is about -- I guess it was called Persia at the time.

WHITEHOUSE: Press Briefing

They were tested in an underground car park and in London's Hyde Park, where they were propped up against trees to determine the most effective background colours and reading distances.

BBC: The road sign as design classic

Reading the history linked above will give you some background as to why and how long it has been fought.

FORBES: Why Has No One Been Appointed The Winner Of Armstrong's Seven Tours?

The survey also includes information about the home background of pupils - with signs that homework had increased in all age groups, less reading materials were available in homes and 9 and 13 year olds were less likely to be watching six hours of television a day and more likely to be using a computer.

BBC: Handwriting