According to Google Politics & Elections Blog, Google searches for Occupy Wall Street resoundingly topple the amount of Google searches for Tea Party.
The blog post states:
Despite big leads in polls and search traffic for Occupy Wall Street, it is almost in a dead heat with the Tea Party for the volume of news coverage. Using Advanced Search in Google News we found that between October 7 and last week, Occupy Wall Street only barely bests the Tea Party when we examine the number of news pieces covering each movement: 29,000 to 22,000.
Here is a screenshot from Google Insights: