Here's our weekly feature on the Top Data Journalism links on Twitter, covering Sept. 26-Oct. 2. Some cool items in the latest round-up: Zeit Online on East/West contrasts 25 years after the Berlin wall came down; Simon Rogers on Journalist Datastores; the Committee to Protect Journalists' mapping of demands to end press harassment; and Fonds pour l'innovation Numerique de la Presse on "un bon datajournaliste."