SALT LAKE CITY — Ever since Mitt Romney said he was “not concerned about the very poor” but would fix the safety net “if it needs,” conservatives and liberals have been frantically making suggestions. Gov. Romney says he would consider options. But if he wants to see a welfare system that lets almost no one fall through the cracks while ensuring that its beneficiaries don’t become lifelong dependents, he could look to his own church. As I ride in a golf cart through a new 15-acre warehouse on the outskirts of Utah’s capital, I can’t help but wonder: How...