Allen Beaulieu, who worked as Prince’s photographer during the musician’s formative years, wanted to produce a book of his best work from the era, but claims his collaborators had other plans

Plus, the Warhol-Prince copyright dispute, and Juan Muñoz at Spain’s Centro Botin

Lawyers for the foundation claim a US Court of Appeals decision conflicts with precedent and threatens historically significant contemporary art work

Decision appears to signal that appropriation artists may have to proceed more cautiously