‘Civil War’ Review: We Have Met the Enemy and It Is Us. Again.

A blunt, gut-twisting work of speculative fiction, “Civil War” opens with the United States at war with itself — literally, not just rhetorically. In Washington, D.C., the president is holed up in the White House; in a spookily depopulated New York, desperate people wait for water rations. It’s the near-future, and rooftop snipers, suicide bombers and wild-eyed randos are in the fight while an opposition faction with a two-star flag called the Western Forces, comprising Texas and California — as I said, this is speculative fiction — is leading the charge against . . .