Playwright Jez Butterworth has set a high bar for himself as a writer, with vastly varied works that include the bombastic Jerusalem, the fanciful The River, and the great crowd-pleaser The Ferryman. The latter, a sprawling take on "The Troubles" of Northern Ireland, wowed critics and audiences alike and garnered four Tony Awards in 2019: one for Best Play, another for director Sam Mendes, and two more that went to R…