(Warning: This post contains spoilers for Wednesday’s episode of “American Horror Story: Double Feature.”)The first half of Ryan Murphy’s “American Horror Story: Double Feature” season, a.k.a. “Red Tide,” comes to a close next week with a finale that will see what becomes of the Gardener Family now that Doris (Lily Rabe) has turned into a Pale Person after taking the black pill and not being talented enough to benefit from its gift-amplifying properties.