and author of the politics of protest, social movements in america, and evo welch, the professor of finance and economics at the anderson gradual school of management. let me start with you. is there a track record for divestment? can you point to cases where it has helped move things forward in a struggle for change of one kind or another? is thank you, it is a pleasure to been here today. so in terms of the dive vest movement around fossil fuels one thing we have been emphasizing here is it's both the movement of capitol from fossil fuel companies but also the investment in new energy solutions. and it is the combination with the investment is where we see the change. and rather than this even being about the economics or the amount of capitol that's become dive vested the social pressure that this shows in terms of the movement so what we emphasizing and building upon a lot of the work of the divestment movement. and desmond tutu has spoken up in support of the fossil five tevezment movement. so i think we have a lot of. >> so even someone who and not a shareholder himself, or does uhn't