I watched part of the 60 min interview and Sully did acknowledge that he declared a "Mayday"
Now while listening to the ATC recordings I noticed quite a few noises indicating that we were only getting to hear part of the comms.
As previously indicated the CVR will not be made public, and only parts that are of the best interest of the FAA/NTSB will be made available as news releases. What will be released will have to pass muster of all parties involved from the pilots union, aircraft manufacturer, engine manufacturer, US Airways, the list will be extensive.
Even with the excellent outcome of a no win situation you can rest assured that the crew got a professional grilling. Then after 10 of thousands of man hours by hundreds of specialist and six months to a year to think about it someone will come up with a different recommendation that the crew was suppose to perform in the seconds they had.
I have noticed lately that as far as NTSB is concerned they have been releasing information in a manner that has been at best misleading. The CO incident at Denver in particular seemed very misleading. Especially the comment about the unusual noises then several days later commenting that they came after the aircraft left the runway.