var watson = require('watson-developer-cloud');
var language_translator = watson.language_translator({
  username: 'fc15a4b5-c336-4de9-bd72-bc9d3928371c',
  password: 'IDJdrL2Zj5TQ',
  version: 'v2'
});
language_translator.identify({ text: '@SenSanders will join @FaceTheNation tomorrow morning. Well ask him about the current immigration debate and the electoral outlook for Democrats. Tune in!'},
  function(err, identifiedLanguages) {
    if (err)
      console.log(err);
    else {
      identifiedLanguages.languages.forEach(function(lang) {
        if (lang.language === 'en')
        if (lang.confidence > '.8') //if its over .8 certainty
        console.log(lang.confidence); //prints english confidence
      });
    }
});