New cardinals, will there be lasting change?

From NCR: When appointing new cardinals, will Francis follow tradition or continue to surprise?

The creation of new cardinals in February may well determine whether the papacy of Pope Francis is a flash in the pan or a turning point in the history of the church

The NCR article contains an interesting discussion of the "unwritten rules" that Popes often follow when naming new cardinals.  Will Francis follow them or break with tradition in order to secure a legacy of positive change?