Alternatively, he’s been out of it most of that time and our senator from AZ is actually his staff and wife.
I think we're all correct here - Cindy has definitely been his mouthpiece and Q has alluded to cures being developed that are not available to most - he who has no name or country is certainly one of those who would be eligible.
If he was truly that ill or dead and the family covering for him, they would release an image periodically, like the ones of bin laden pretending he was still alive in Afghanistan after we did an extensive mineral assay using aerial hard rock mining techniques immediately following 9/11.