A cast of Congressional characters (all Democrats; listed below) intends to file an Amicus Curiae brief in the case where the Sierra Club and the Defenders of Wildlife are suing the Department of Homeland Security to prevent them from using apparently congressionally-mandated waivers that would let the DHS bypass environmental and related rules in order to build sections of the border fence. Bennie Thompson, chairman of the Homeland Security Committee attempts to portray this as a Constitutional matter: this waiver by the Secretary of Homeland Security is a direct challenge to Congress’s...