Judge Richard A. Posner has a fascinating post on plagiarism. See here. Among other things, he explains why plagiarism by a professor is not as serious as—and therefore deserves less punishment than—plagiarism by a student. He also points out, quite rightly, that "plagiarism" is a morally loaded term. It functions both to describe and to prescribe.
Plagiarism
Posted at 9:02 PM CT on Monday, 25 April 2005