Saint Catherine of SienaCatherine of Siena is one of the most intriguing and explosive saints in Church history. A young laywoman with almost no education, she became renowned for her intense mystical experiences, inspired preaching, and scathing criticism of corrupt political and ecclesial authorities. She is even recognized today as a Doctor of the Churchthe only layperson to ever receive the titleyet comes across to us more as an apostle than an intellectual. Her work is