e.log(JSON.stringify(news, null, 2));
});</code></pre><h3>Authorization</h3><p>The Authorization service can generates tokens, this are useful when it's too cumbersome to provide a username/password pair.
Tokens are valid for 1 hour and need to be send using the <code>X-Watson-Authorization-Token</code> header.</p>
<pre class="prettyprint source lang-javascript"><code>var watson = require('watson-developer-cloud');

var authorization = watson.authorization({
  username: '&lt;username>',
  password: '&lt;pas