Photo: Eric Lee/Bloomberg/Getty Images The U.S. Supreme Court’s recent 6-3 decision in Louisiana v. Callais allowed southern Republicans to conduct partisan gerrymanders, unencumbered by Voting Rights Act protections for minority representation. Now, in the Court’s first ruling implementing Callais, the same six justices have made it clear that they’re not just welcoming gerrymanders that eliminate majority-Black congressional districts — they’re signaling “Go, go, go!” In an unsigned shadow-