MeetUp.com came to fame because of the Howard Dean campaign. Despite inroads by conservative groups like Townhall.com which has registered 24,000+ activists through the site, most of the top 15 political groups listed on the site are left-leaning. In fact, only 3 right of center groups appear on that list.
MeetUp suffers from the public impression that it is a liberals only site — it isn’t — and it needs to find a way to overcome that if it wants to tap the full potential of the political audience.
Disclosure: I used to head Townhall.com — many, many years ago.