CNN is going nuts, they hype up every day and then they have to backpeddle the next day when all that has been retrieved is loose rope and styrofoam.
Well, and see...they can’t ‘magically’ find the black boxes until they ‘discover’ something on the surface, now can they? /s
If the ‘southern’ route hypothesis holds water (pun intended), I predict they will find a debris field in short order and then, within hours, a “Got something!!!” (iow, a ‘signal’).
I’m of the opinion the USN knows exactly where the plane is and that these poor folks (the searchers) are risking their lives sailing through/flying over one of the most inhospitable patches of ocean on the planet looking for debris to justify the location that is already known...