Brussels' answer to a looming fertilizer crisis is to make more use of cow dung. Grocery price spikes are on the horizon amid the unending war in Iran and the rising cost of fertilizer. Yet the European Commission’s plan to shore up Europe's supply, due out Tuesday, centers around a long-term regulatory push to recycle more manure and farm waste into fertilizer.  It’s not the quick fix some were hoping for. Farmers “expected bold action,” said MEP Veronika Vrecionová, who helms the European