Moment of Zen 16.06.09

I have recently been wondering why no other party has a serious chance to get nearly as many votes as the Democrates or the Republicans. Isn't that a shame and don't get many ideas or new points of view get lost through this "the-winner-takes-it-all-principle", namely that just the candidates who got most of the votes move on to the next step whereas all the votes for other canditates are just deleted? On the other hand you just argue that other parties won't have a chance anyway since the Republicans and the Democrates have by now completely established themselves...
Found this: