For anyone who appreciates good writing, their Style Guide is invaluable: http://www.economist.com/research/styleguide/
As usual the Economist says little with a lot of words. This particular piece is a shallow recitation of campaign impressions with zero actual policy analysis. You don't learn anything by reading it.
To quote its Wikipedia article, 'The publication boasts a tight writing style that seeks to include the maximum amount of information in a limited space. Atlantic Monthly publisher David G. Bradley described the formula as "a consistent world view expressed, consistently, in tight and engaging prose."[12]' -- http://en.wikipedia.org/wiki/The_Economist