ERIE, Colo., Feb. 5 — As a bruising recall campaign ended here this week, Mayor Barbara Connors was still in office and her policies to slow the growth of this old mining town northwest of Denver were intact. Yet the battle to save her political life and beat back overdevelopment was only the latest of a small but growing number of conflicts around the country over so-called slow-growth policies. Such policies were all the rage in recent decades, when rampant growth was viewed as a bad thing, but their supporters are not having an easy time of it in the...