Reviewed in this essay: Andrew’s Brain by E. L. Doctorow (Random House, 2014) Andrew, the cognitive scientist-narrator of E.L. Doctorow’s latest novel, is endearingly clumsy—he knocks drinks into laps, drops bottles on toes, and litters the floor with books. For his ex-wife’s new husband, these slapstick misdemeanours betray a sinister connection to the tragic deaths of…