Quickstart fails

[dstorrs]

No output when using the 'web5' from the quickstart.

Contents of test.rkt:

lang racket

(require boris)
(define web5 (go '("http://en.wikipedia.org/wiki/John_Entwistle")
(show (xpath "//td[@Class='nickname']/text()"))))

Terminal output:

[dstorrs@localhost:/personal/study/scheme/spider:<master*>]$ racket test.rkt
[dstorrs@localhost:/personal/study/scheme/spider:<master*>]$ racket
Welcome to Racket v6.3.
-> (require boris)
(require boris)
-> (define web5 (go '("http://en.wikipedia.org/wiki/John_Entwistle")
(define web5 (go '("http://en.wikipedia.org/wiki/John_Entwistle")
(show (xpath "//td[@Class='nickname']/text()"))))
(show (xpath "//td[@Class='nickname']/text()"))))
->

This is OSX 10.6.8, Racket 6.3, Terminal, Emacs 22.1 shell.