anchor.diff:    }
   
     http.Response get response => _response;
  -
     String get error => _error;
  -
     NewsModel get newsModel => _newsModel;
  -
     bool get isLoading => _isLoading;
  -
     DateTime get lastUpdated => _lastUpdated;
   }
  
positive.code:       _error = null;
        try {
          _lastUpdated = DateTime.now();
          return newsModelFromJson(_response.body);
        } catch (e) {
          ///TODO: log this as a bug because the json parsing has failed
          print(e);
  
negative.code:   String _error;
    NewsModel _newsModel;
  
    Future<NewsModel> fetchData() async {
      _error = null;
      _isLoading = true;
      _response = await http.get(
          'https://s3-us-west-2.amazonaws.com/ucsd-its-wts/now_ucsandiego/v1/allstories.json');
  
      if (_response.statusCode == 200) {
        // If server returns an OK response, parse the JSON.
  