You might want to pass this on to John Cochrane: I got the following error message when I clicked on your link to a post in his Grumpy Economist blog, and got the same result when I tried again.

"Cisco Security

Error occurred

Bad Request

"Cisco Email and Web Security protects your organization's network from malicious software. Malware is designed to look like a legitimate email or website which accesses your computer, hides itself in your system, and damages files. Your email administrator has configured this prevention system to ensure against such damage."