[SNIP leading up to the "advice" from a former GW Bush adviser] ....A win in SouthCarolina will be overwhelming proof that Romney is just “right” enough to win the nomination. If that were to occur, Romney would have won in the conservative Midwest, the more liberal/independent Northeast and the conservative South. Perry, Santorum and Gingrich need a win, place or show in SouthCarolina to continue to Florida. ...The real question will be one for Gingrich to answer. If Gingrich doesn’t come in a close 2nd or 3rd in South Carolina, will he engage in a “scorched earth policy” that if...