Shakespeare fans’ favorite parlor game seems to be trying to prove (or disprove) who the Bard really was (or wasn’t). “Neurologists tell us that our brains are hard-wired to find patterns and causation – even when they’re not there. At different levels of scholarship and skill, these books reshape new research and old chestnuts to draw their cases. But they show us nothing definitive.” And is it really that important, anyway?