So, permit me to make a reckless prediction: if Rick Santorum wins Michigan on February 28th,  Mitt Romney is finished. 

Michigan is as close to home-field as Romney gets, and it was a rare win for him in 2008. Michigan sticks out; it is a political protrusion before the mixed messages of Super Tuesday.  Santorum should bet everything there, relying on his cauldron of angry economic populism and right-wing social agenda to bury Mitt. 

 And if Rick does win?  Then, there will be another giant sucking sound, and Jeb Bush better be nailed down.