Borf was/is a phenomenon in his native Washington DC. The young artist embarked on a prolific, partisan campaign after the suicide of a close friend 4 years ago, daubing slogans like 'Grown-ups are obsolete' and 'Borf writes letters to your children' around a consistent picture of an eager, positive and rather stupid grinning face, alongside politically charged stencils, wheatpastes and tags. Borf, some will be aware, is also the acronym for the American Bill Of Rights Foundation ...