  No I haven't. They could have remained insignificant, but the Pattern needed them to be Amyrlin in their turn, so they each became Amyrlin against all precedent against them.  RJ says they aren't ta'veren, and Siuan Sanche at least can't lay the blame for her meteoric rise on the Three Amigos -- who are the only active ta'veren according to RJ and they did not become ta'veren until the beginning of tEotW.  Your initial assertion --  -- describes Siuan Sanche except for gender and the fact she isn't ta'veren. Her ability to Channel had little to do with her rise to Amyrlin other than being a prerequisite for the job.  The Tower Split was Foretold 0,000 years ago as part of the KC. The Wheel/Pattern can't power a Foretelling that far into the future without controlling the lives of everyone who is reborn in the intervening years. There is free will in the WOT, but it is mostly on the level of which shirt to wear with which pants.  