404. That’s an error.
The requested URL /bookmarks/mark?op=add&bkmk=http%3A%2F%2Ftheeditorialcartoons.com%2Feditorial-cartoon%2FMike%2BLuckovich%27s%2BEditorial%2BCartoons%2F2009-06-18%2F35354&title=Mike+Luckovich%27s+Editorial+Cartoons+at+theeditorialcartoons.com
was not found on this server. That’s all we know.