The race will narrow after Wisconsin, then Romney will slowly start to pull away and will lead by around 10 points on Election Day. He wins by about 8, Santorum will claim victory as it "wasn't enough", and the race continues, though his support slightly decreases.
The race will narrow after
Wisconsin Louisiana. I assume everyone knows what you meant, but in the current environment it may be held against you nonetheless.
I don't think what happens in LA will mean squat myself. The days of Rickmo are over. It is just a war of demographic attrition, and nobody cares much about what other states do anymore. We shall see.