ODE TO DOGSI am tired of hearing about dogsused as metaphors for the uncivilized.Imagine a world in which humanspossessed at least twenty timesas many olfactory receptors, able to distinguish the tang of cancerrising musk-like from the bedsheetsnext to a smoldering ash tray, able to detect that one drop of bloodin every five quarts of water, to know what you did last nightno matter how many timesyou soap-scrubbed the evidence.It does not take savagerybut more love than we can musterto lick the hand you've sniffed, to love despite the perfume of sinswe wear each day like a h