Andy and Patty Grove never planned to settle outside of Texas. Their roots in the state reach back many generations. Patty’s ancestors came to Texas on a wagon train from Tennessee in the 1830’s (an elementary school in Houston is named for her great-grandfather); Andy’s father owned a tract of land that is now part of the posh Houston neighborhood of Hedwig Village. The two grew up a mere five miles away from each other in West Houston, where they attended Stratford and Memorial, rival high schools in Spring Branch ISD. They met while volunteering with Campus Crusade for Christ as undergraduates at the University of Houston in the late seventies. After marrying, in 1982, they settled in Arlington, where Andy took a job as the campus director of the University of Texas at Arlington’s branch of International Students, a Christian organization that works with foreign-exchange students. In the early...