[nikcub]

topsy still has the tweets cached:

http://topsy.com/trackback?url=http%3A%2F%2Ftwitter.com%2Fst...

and for the user:

http://topsy.com/s?q=from%3Astevebarnhart&window=w&type=twee...

[thejdude]

No it doesn't.

At least from here it looks like they took the posts down as well.