Kalonzo is a sly, slimy SoB. [Insert here "necessary" but not "well-meant" apologies for the "rough" language.] Having him in a coalition is like putting a viper in you pocket and hoping all will go well .... only to realize that the snake has found the small hole in the pocket and taken its fangs to "critical components" down there.
That said, it is hard to see---from current events and events in the last 3 years---anything to suggest that CORD might be positioning itself to be a winner in the next elections. The mess, especially in ODM, is so huge that one is tempted to believe that these people enjoy being in the Opposition but are not ready to, or even care to, "step up".