Despite what you may have heard from the mainstream media, Mitt Romney does not have the Republican nomination locked up. In fact, he is rapidly losing delegates that almost everyone assumed that he already had in the bag. To understand why this is happening, you have to understand the delegate selection process. Each state has different rules for selecting delegates to the Republican national convention, and in many states the "voting" done by the public does not determine the allocation of delegates to particular candidates at all. And the truth is that delegates are the only thing that really...