Various stats:
http://siteanalytics.compete.com/freerepublic.com/?metric=uv
http://www.alexa.com/siteinfo/freerepublic.com
http://www.freerepublic.com/home.htm
Over 300,000 people have registered for posting privileges on Free Republic since inception in 1996 and our forum is read daily by over one hundred thousand freedom loving citizens and patriots from all around the country, and all around the world. We’re currently delivering over thirty million pageviews per month to over one million visitors.
Interesting stats at your siteanalytics.com link. FR has between 1 and 1.5 million unique visitors, versus around 3 million for MSNBC and Drudge, which are considered big news sites.