Patrick Cox and Carol Hills select the top five language-related stories from May. Among them: the strongest challenger to Iranian President Mahmoud Ahmadinejad is campaigning in his native Turkish Azeri; you can now update, poke and unfriend on Facebook in six more languages, all spoken in India; and British researchers are developing software that would not only lip-read, but also determine the language being spoken from soundless video images. <img id="pri-insights" src="http://api.pri.org/insights/?story=http%3A%2F%2Fwww.pri.org%2Fstories%2F... />

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