The entire call may be available, but CNN only will use a soundbite or so, because they know very well most people will not seek out and listen to, or read the transcript of, the entire call. It shouldn't really matter much; the questioning of rigging in Georgia and the other areas should be obvious...
* A bigger issue may be the way that 'leaks' usually occur in a one-sided way, and/or they way they are treated based on the political objective