A Russian military court on Monday sentenced theater director Yevgenia Berkovich and playwright Svetlana Petriychuk to six years each on charges of “justifying terrorism” in a high-profile case that has drawn criticism from rights advocates. Prosecutors had asked for Berkovich, 39, and Petriychuk, 44, to each be sentenced to six years in a penal colony during the closed-door trial in Moscow last week. The two women were charged over the content of their award-winning play, “Finist the Brave Falcon,” which is about Russian women who fall in love with Islamist militants and plan to join them in …