FLINT, Mich. — Hillary Clinton took her campaign to church Sunday, departing New Hampshire two days before the primary to travel to this beleaguered city to assure residents that they haven't been forgotten. Clinton joined several hundred Flint residents, almost all African-American, at the House of Prayer Missionary Baptist Church immediately following a raucous Sunday service in which the pastor preached a message of hope in the face of the water contamination crisis that has rocked the city."This is not merely unacceptable or wrong, though it is both.