Week 7 - comments

http://jonwebsterslis2600blog.blogspot.com/2009/10/week-7-reading-notes.html
(this is a reply to a question I was asked at http://erinlis2600.blogspot.com/2009/10/week-7-notes.html)

http://cac160.blogspot.com/2009/10/week-8-reading-notes.html