Performance artist Marina Abramovic really wanted to present, during a week of appearing at the New York Guggenheim Museum, her most radical work, called “Rhythm 0.” Performed only once in Naples in 1974, its premise was terrifyingly simple: She agreed to stand in a gallery for six hours while anyone who came in could choose any of 72 objects around her - including knives, scissors, a needle, a loaded gun - and do anything they wanted to her with the objects. It was her only work in which she essentially ceded control over her body, and over the pain to...