More than five centuries after his birth, the contradictions embodied by the Florentine sculptor Baccio Bandinelli (1493-1560) remain as mysterious as ever. Revered by contemporaries as one of the most important sculptors of his time, he was reviled by his enemies as a truculent, foul-mouthed, avaricious, sycophantic, craven humbug. But the originality & power of Bandinelli's work, & the long shadow it cast over the arts in 16th-cent. Florence & Rome,...