News continues to dribble out of Chicago on the future of Obama for America. First, Obama blogger Christopher Hass says there are now some 4,000 house parties occurring this weekend across the country to foster discussion of the movement's future--a healthy jump from a week ago. Second, attendees at last weekend's summit meeting in Chicago have received the following memo by email, which they've been urged to share widely. A copy made its way to my in-box and I reprint it below: Dear Volunteer/Team Leader: I wanted to be the first to share some of the exciting things that I've learned about how this movement of change will look going forward. The vision for this organization comes directly from President-Elect Obama: "We won because...