Read your favourite authors (be it fiction like Jane Austen or non-fiction like the Economist). Pay attention. See what makes their styles tick.
--Awkward on many levels
Attacking grammar--which is the topic of this sub-thread--is missing the point.[1,2]
 And by perfect I mean pedantic.  Off-point critique + sweeping conclusions = logic fail
Obviously someone writing creatively is free to ignore these journalism guidelines. On the other hand, many well-known writers first learned their craft at newspapers where the principles of Strunk & White (or its predecessors) were fully accepted -- Samuel Clemens and Ernest Hemingway to name just two.
See http://www.economist.com/styleguide/introduction, if you want to communicate succinctly. The Economist's style is just one possibility, but they do manage to write short and efficient pieces.