Defending Contending aka DefCon has a post which also has some bearing on the CRN post Mark Driscoll: The Guardian of Grunge and Seattle Sludge…. This particular piece deals with “questionable judgment demonstrated” by John Piper in his “propagating the revolting” Jesus Christ was damned upon the cross and in his inviting “the potty-mouthed prodigy Mark Driscoll to his Desiring God National Conference.”