ToElena,existenceisaneffort—notonlydoesshestruggleagainstherbodyaffectedbyParkinson’s,butherdaughterhasjustshownupdeadandonlyshefindsthesuicidehypothesisimplausible.Elenaisnotagoodvictim,anddoesn’tshowsignsofhavingbeenaselflessmother.Sheisvulnerable,butalsoovercomebyrageandsorrow,andthatstubb...