if (debug) { System.out.println("     response: " + response); }
  public static String requestString(String urlString, String request)  {    String response = null;    try {      InputStream is = sendRequest(urlString, request);      response = readToString(is);    }    catch (MalformedURLException mfe) {      System.out.println("Failed to send request:  bad URL<br>");      System.out.println("\"" + urlString + "\"");    }    catch (IOException ioe) {      System.out.println("Failed to send request:  io Exception");    }    return response;  }