There’s a spark to the art of David Wojnarowicz, the prolific visual artist, writer and Aids activist. His work so often feels alive, with possibility, with danger, and sometimes with fear. Whether in one of his most famous images, in which a herd of buffalo are tumbling down a cliff, or street art murals like The Missing Children Show (1985), where an exploding house is flanked by a viewfinder that stares down ahellip;read more raquo;nbsp;nbsp;nbsp;nbsp;nbsp;nbsp;View Gallery (17 images)nbsp;