MINYANVILLE ORIGINAL If America is indeed about to plunge off the economic precipice we’ll do it from an investment landscape that is presently flat as a pancake. Stocks barely budged last week with Dow Industrials (^DJI) easing off a mere 0.15%.    Grand Canyon Education (LOPE) whose inspiration is aging far more gracefully than the interminable fiscal cliff discussions advanced 2.8%. Elsewhere Intermec (IN) which makes bar codes surged 21.73% even as we said a sad farewell to the gadget’s inventor. ZAGG Inc (ZAGG) producer of screen protectors for smartphones jumped 12% but there is alas no protection against stupidity. Witness one Tomasz Paczkowski who burned ...