Cruz is a nut job, an extremely smart nut job, the most dangerous kind. Unfortunately the natural constituency of the Republican party is far too small in numbers to elect anyone, so they have had to give out way too many free tickets to Joe the plumber, his buddies, and all the many and diverse evangelical crackpots, to be able to fill all the empty seats under their circus tent. Now, of course they are reaping what they have sowed, and it is comical to see that they don't like the wild nut grass that's springing up everywhere. They have reached the point where if a stable, qualified candidate made it all the way through their primary process, it could be regarded as a miracle.
The Democrats too have given out some extra tickets to their circus tent, but only a few for the last few rows of the upper deck, far from the center ring, were available. The Republicans have worked tirelessly, but unwittingly of course, these past 35 years to help the Democrats grow their natural constituency. The Democrats should be very grateful to the Republicans. Thanks to those Republican efforts, the sane and stable constituency of the Democrats is now much larger than the Republican's. The Democrats now have a tremendous advantage in National elections.