The Taser's Edge

In Fall 2008, after the release of Two Lovers co-starring Gwyneth Paltrow, Joaquin Phoenix announces he is done with acting for good:

In February 2009, Joaquin Phoenix freaks out on Letterman in exactly the way that gets under Letterman’s skin:

In March 2009, Phoenix launches his rap career in Miami and then gets into a fight with an audience member:

In September 2010, I’m Still Here, a new “documentary”* starring Joaquin Phoenix arrives in theaters:

*Or is it?  That last frame of the trailer seems a bit odd.  A documentary “Written and produced by Casey Affleck and Joaquin Phoenix”?