Much as I dislike all the major candidates for an equal number of reasons (Gary Johnson 2016!), Kasich needs to drop out so it can be Cruz v. Trump to the end, because Cruz is obviously the lesser of the two evils and actually has a shot at beating the #TrumpTrain.
The more and more I watch this election cycle, the more I'm beginning to hate winner-take-all systems through a single-member district representation.