40. Section H, Chapter 40 - The Greek Article

Learn more about Greek Articles at these sites:

http://www.ibiblio.org/koine/greek/lessons/noun2dcl.html

http://www.middletownbiblechurch.org/egreek/egreek05.htm

Why is the following translation by the Jehovah's Witnesses of John 1:1 very, very wrong and purposefully misleading? (Clue: we are looking at the Greek articles so find the Greek text in an interlinear to look at John 1:1:

Originally the Word was, and the Word was with God, and the Word was a god.
(An erroneous translation.)