Google real-time search results are integrated in the main search page in a scroll down box - it includes tweets, MySpace, Facebook and other live updates from around the web. There is a link to "Latest" results at the top of the page. See the video below:
Official Google Video: Discover breaking news on the web with real-time updates from news, blogs and social networks.
The real-time search will gradually become available to all users. If you do not see it now, please refresh the search results at a later time.