Wednesday assorted links
1. Stephen Williamson on Canadian fiscal consolidation.
2. David Warsh on Friedman and Samuelson.
3. Solar geo-engineering. And EITC is better than you think.
4. Retirement actually seems to make people happier.
5. One Arlington high school class has 117 valedictorians.
6. John Cochrane responds on interest rates. Here Noah summarizes his view of the debate.