Those anticipating HBO’s series adaptation of “Watchmen,” the classic comic book series co-created by Alan Moore and Dave Gibbons, may have divided opinions of the 2019 version conceived by Damon Lindelof, co-creator of “Lost” and “The Leftovers.” The first episode, the only part of the nine-episode season HBO made available to critics,  introduces the story’s ostensible protagonists: Tulsa’s Police Force. And the enemy? It’s a white supremacist organization whose members wear masks inspired by the iconic “Watchmen” character Rorschach. “What, in 2019, is the equivalent of the nuclear standoff between the Russians and the United States?” Lindelof posited Wednesday during a press conference, referring to one of the key political flashpoints examined in the original comic. He answered, “It just felt like it was undeniably race and policing in America.” Until now HBO has kept the details of “Watchmen” cloaked in mystery, teasing audiences with disconnected snippets. Reporters assembled for HBO’s press conferences at the Television Critics Association’s summer press tour screened a preview of the first episode on the condition that we refrain from posting …