Brian Snyder/ReutersA group of nuns in Texas has declared that they no longer recognize the authority of an embattled Fort Worth bishop, the latest twist in a saga that began when he accused one of their order of violating her vow of chastity.In a statement, the Monastery of the Most Holy Trinity of the Discalced Carmelite Nuns alleged that, over the past four months, they had been “subjected to unprecedented interference, intimidation, aggression, private and public humiliation and spiritual ma