First, simple math dictates that unless something changes quickly for Donald Trump, he won't secure enough delegates before arriving at the RNC convention this July. Trump will need to win at least 58 percent of all remaining delegates and 65 percent of the remaining bound delegates (it is widely believed Trump will struggle with unbound delegates as these are often RNC members and other party regulars, but more on that later).

To date, Trump has won just shy of 46 percent of the total delegates. Even though he is the undisputed front-runner, he's not gaining a larger vote share as time marches forward. In Wisconsin, Trump won 35 percent of the vote, the same percentage he won in New Hampshire. Typically, the front-runner consolidates the party, garnering a higher percentage of the vote with each successive contest. That hasn't happened for Trump.

