The rosary is much more than an optional Catholic devotion for the old and dying. In fact, it is a vibrant and powerful intercessory tool in the hands of valiant spiritual warriors. From the moment Our Lady entrusted it to St. Dominic early in the thirteenth century, the rosary has been at the heart of authentic Catholic devotion. And yet it has also been an indispensable weapon in the hands of intercessors and those who actively resist the workings...