Central Europe was battered by so much torrential rain and deadly flooding that it pushed everything else to the back burner this week. At least 21 people were killed in four countries when Storm Boris dumped up to five times the average September rainfall on parts of Austria, the Czech Republic, Hungary, Poland and Slovakia in just four days, turning entire regions into disaster zones. Towns and villages were devastated, hundred of thousands were forced to evacuate. National authorities considered emergency funds for the affected areas. The European Commission in Brussels was also wondering h…