Veracifier -- A Chat with Van JonesYour Daily Politics Video Blog: The closing keynote speaker of the Netroots Nation convention in Austin last month was environmental and social justice activist Van Jones. Following his Sunday morning speech TPMtv caught up with Mr. Jones and asked him about the perception of the environmental movement in the black community and how to alter that perception for the better in creating a fullblown eco-populism movement. (5:25)