old_contents: var request = require('request');
  
  exports.shorten_url = function (req, res) {
    var url = req.body.destination;
    request.post({
      url: 'http://api.wrapulous.com/api/v0/links/',
      json: {destination: url}
    }, function (response, body) {
      res.send(response.statusCode, body);
    });
  };
  
new_contents: var request = require('request');
  
  exports.shorten_url = function (req, res) {
    var url = req.body.destination;
    request.post({
      url: 'http://api.wrapulous.com/api/v0/links/',
      json: {destination: url}
    }, function (error, response, body) {
      res.send(response.statusCode, body);
    });
  };
  
subject: fix function definition