Cif at four: you guest-edit the site

Next week will be Comment is free's fourth birthday. We want to celebrate in style by asking readers to help us edit the site next Wednesday. Over the next few days, we invite you to post suggestions in this thread for topics you would like to read (more) about, accompanied by the name of the writer you'd like to see tackle them: Guardian journalists, experts or whoever – let your imagination run free. We aim to run around a dozen of your suggestions on Wednesday (though we reserve the right to postpone the publication of some of them should a big news event break on that day). So pile in – we await your thoughts ...