Looks like it's the first, and it's a good one. Lots of info about his career, and assessment of his political talents.
But most important: It summarizes arguments why he should run NOW, not later. This is a crucial issue for Democrats, IMO.
The New York Times' Frank Rich (quoted at the site) agrees with the site sponsors:
It's a no brainer...of course he should run...The question is whether Mr. Obama will stick up for his core principles when tested and get others to follow him. That's why it is important to remember that on one true test for his party, Iraq, he was consistent from the start...he repeatedly questioned the rationale for the war before it began..." At www.nytimes.com behind a firewall; or at http://www.truthout.org/...