Here is a link to an article I wrote in 2012 for “Sightings,” an online publication of the Martin Marty Center for the Advanced Study of Religion at the University of Chicago.
http://divinity.uchicago.edu/martycenter/publications/sightings/archive_2012/0607.shtml
A Word in Edgewise 
Unfortunately link is dead. Material is still on site; search for title @ http://divinity.uchicago.edu/sightings/