Unlike Saturday, no state this week is prime Huckabee/Santorum territory. That could place a ceiling on Cruz’s growth unless he can demonstrate he can win over moderate GOP states.
That looks like a tall order but in politics, anything is possible.
We’ll see if the Cruz surge is maintained. If Trump ends up south of 70 delegates from tomorrow, and Cruz ends up with more that 50, it will solidify the narrative that Cruz is the only legitimate alternative to Trump.