Astonishingly, in spite of decades of research, there is no agreed theory of cancer, no explanation for why, inside almost all healthy cells, there lurks a highly efficient cancer subroutine that can be activated by a variety of agents - radiation, chemicals, inflammation and infection.
I think it's appropriate for the international community in situations like this to intervene in Kosovo. I am in favor of an intervention. On some level, you have to say that at least somebody is doing something.