After Crawford, is the balancing test created by Craig still good law, and if so, does extending its exemption for children from physical, face-to-face confrontation to categories of adult witnesses—here, intellectually disabled adults—violate the Confrontation Clause?

Whether the balancing test created by Maryland v. Craig is still good law after Crawford v. Washington, and if so, whether extending its exemption for children from physical, face-to-face confrontation to intellectually disabled adults violates the Confrontation Clause