We're creating a social news aggregator blog. What it will look like: It will be a modified wordpress blog and the left hand column will be dedicated to the roundup of the top stories from all of the major social news sites that week- Digg, Del.ico.us, Reddit, Newsvine, and Netscape. Therefore, the blog's software will need to fetch the top stories from each of these sites on a semi-regular schedule and calculate what the top stories for that week are. I imagine that once a story has been...