41. Silver burns were so common that collodion photography was called " the black art ." 42. They argue that Slick Willie, through some black arts of spin, has stacked the deck. 43. But analyzing patents has always been a black art . 44. For a while, I dabbled in the black arts _ trying to conjure myself invisible. 45. The use of negative imagery has always provoked wide response within the black art community. 46. Training in choke-holding, muzzling and other black arts included. 47. In the 1960s he became part of Pittsburgh's black arts community, writing poems and short stories. 48. Worse, Daschle knows little of the black arts that surround the Senate's arcane rules and regulations. 49. I think the challenge is for cultural sovereignty and Black Arts struck a blow for that. 50. Removing the charge, he added, is a black art , few details of which are known publicly.