In terms of Nabokov and the law, here's a link to an interesting legal essay, "On Art and the Death Penalty:
Invitation to a Beheading," that analyzes international law regarding capital punishment in the context of Nabokov's novel. "Like Vladimir Nabokov's prisoner waiting on death row, capital punishment is deemed intolerable not because it is wrong, but because it is unaesthetic," according to the abstract:
http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1482005.