identify them, to say nothing of their familial and ethnic ties. What do the people of the new covenant have? How do you exercise border patrol in a kingdom with no borders and no land? In other words, the church’s first constitutive moment is not enough. A group of Christians must still gather and constitute themselves (or be constituted) as a congregation and affirm one another as believers. Which brings us to the second moment. “A church is born when gospel people form a gospel polity,” observes