The farcical premise of Rajiv Joseph's play Archduke"just opened at the Roundabout's Laura Pels Theatre"is that the young men who sparked World War I by assassinating the Archduke Franz Ferdinand were actually starving, terminally ill consumptives bribed and duped into becoming suicidal terrorists. The madman manipulating them, in Joseph's fantasy, is a warmongering Serbian Captain, […] The full version of the arti…