My guess is a cable receiving site had a failure.
No conspiracy. Why would CNN NOT want viewers. They dragged the damn thing on for three hours to squeeze every nickel out of it.
You can take the tin foil hat off.
What? If that circus wasn’t broadcast in Hi-Def, it wasn’t watchable? It would still have turned out the same even it was on an old b/w TV, a bunch of politicians (old and new) all trying to sell you their used cars.