WEST DES MOINES, Iowa — David and Wendy Batchelder hate the thought of putting their spacious house in West Des Moines on the market, disrupting the routines of their six children or giving up the Lutheran church that they have attended for roughly a decade. But two new laws have left them debating whether to leave Iowa. A ban on a medication that pauses puberty taken by their transgender son, Brecker, was signed into law by the state’s governor in March. The same month, teachers informed Brecke