Obama Announces Run

Today, we are filing papers to launch our 2012 campaign.

We're doing this now because the politics we believe in does not start with expensive TV ads or extravaganzas, but with you -- with people organizing block-by-block, talking to neighbors, co-workers, and friends. And that kind of campaign takes time to build.

So even though I'm focused on the job you elected me to do, and the race may not reach full speed for a year or more, the work of laying the foundation for our campaign must start today.

We've always known that lasting change wouldn't come quickly or easily. It never does. But as my administration and folks across the country fight to protect the progress we've made -- and make more -- we also need to begin mobilizing for 2012, long before the time comes for me to begin campaigning in earnest.

Read more here.