Different perspective due to his role as a politician. He sees blogging as a major mechanism for communication, business, social opportunities. The fundamentals are communication, the connection of people to people. This overall will help us to get to a point where we can all do social good. Be very wary of narrowing the channel and packaging things a particular way (almost back to big media), you need to have diversity.
Senator Bartlett linked the diversity of blogosphere back to ecology and the environment. Anything that increases diversity can help with social good, it also makes it harder to be controlled. Also don’t forget the digital divide, language really literacy within the community. The means does shape the ends.