This may not be a purely academic question, with Alviarin among others still on the loose. Just because the DO isn't there to offer immortality doesn't mean she's going to turn herself in for stilling, or even start being a nice person.
EDIT: I almost said "the DO or the Forsaken", and would...
Has she aged, per se? We have seen very old Aes Sedai like Verin and Cadsuane herself ride around the country on horseback, and sleep rough. They sometimes mention feeling their age, but not to the extent of (say) walking with a stick or even having trouble keeping up with younger traveling...
I feel like Cadsuane might have been chosen in part *because* of her age. She's both a maverick, and someone who understands the reasons for the AS traditions. If they end up keeping the Three Oaths, then she'll be a "transitional" Amyrlin to guide them through other inevitable changes (such...
She burned out by choice, knowing that she was burning out. Perhaps she did something to circumvent the buffer deliberately, rather than, say, get caught up in fighting or trying a new weave and draw too much.
I think not. Siuan is mentioned by title, but not by name, in TEOTW (she gave Moiraine an angreal to take to the Two Rivers), and actually shows up much later (when she heals Mat?).
Yeah. His death was, apparently, inevitable, and he put it on despite knowing that that was very likely the case and did so AFTER Egwene bonded (and married?) him. I find it interesting that Demandred, who made the assumption that Rand weaved the effects of the ring on Gawyn, was like "You're...