"Bishop Jefferts Schori pointed out that one out of three Episcopal dioceses in the United States is growing. Given what we hear about the state of the Episcopal Church and other so-called mainline churches, that was surprising and good news. Why are these dioceses growing?..."
... because the other 2 failing Episcopal dioceses are closing their churches and moving their members into a third diocese?
Only in TEC does a 67% loss equal "good news".