Lieberman Agent

Has anyone started getting hits from the Lieberman Agent? I’m assuming it’s some spider searching for random political snippets, but I’ve never seen it before.

host229.mmwr.com - - [14/Jan/2004:13:49:19 -0600] "POST /internal_agents.rep HTTP/1.1" 404 347 "-" "Lieberman Agent"
[Wed Jan 14 13:49:19 2004] [error] [client 146.145.40.229] File does not exist: /home/hamosklc/sites/inertramblings.com/services1.pepper.com/internal_agents.rep