moments after musing on a much sunnier recent ending for his spinoff series “Better Call Saul.” “[Walt] got thrown a lifeline early on,” Gilligan said. “And, if he had been a better human being, he would’ve swallowed his pride and taken the opportunity to treat his cancer with the money his former friends offered him.”While Bob Odenkirk’s Jimmy McGill “finds a little bit of his soul” (and also survives) in a redemptive final episode of “Saul,” Bryan Cranston’s Walter White went down in a hail of gunfire by his own design, a moment that “Breaking Bad” fans saw as heroic at best, self-actualizing at worst.“He goes out on his own terms, but he leaves a trail of destruction behind him,” Gilligan said.