Earlier this week, WPRO AM's Dan Yorke took on Lincoln Chafee, one of his favorite bete noires, using the former senator's commencement address at URI last Sunday as a metaphor for, as Yorke and other critics view it, Chafee's fecklessness. The offense? The phrase "Go waste, young man" -- a message, the talk-show host said, at odds with what young people should be hearing.