This wasn’t the first objection I'd encountered to SodaStream, which turns a bottle of tap water into sparkling with three pumps of a recyclable carbon dioxide cartridge. SodaStream is an Israeli company with a manufacturing plant in occupied territory in the West Bank, a fact that enrages a politically informed, far-left segment of the liberal-yuppie demographic the product is marketed to. By bringing environmental foodie-ism into conflict with humanitarianism, SodaStream has turned the most inoffensive of soft drinks — Sustainable! Sugar-free!