It seems to me that Pat Perriello sets the bar very low.
The fact that he celebrates an interest in social justice as being something remarkable is a sad commentary on the current state of US clergy.  Commitment to social justice ought to be a given, a bottom-line requirement.
Increasing the number of clergy, without addressing the reasons that people are leaving the Church will not do much to improve the future of the Church, unless the goal is to have a Church that consists only of clergy.  But since clergy in the Catholic Church are only male, it stands to reason that concept has little future -- unless, of course, they will all be obligated to marry to give birth to males who will continue to fill the ranks of the clergy......