Ivan Reitman has been talking about the forthcoming Ghostbusters reboot, explaining why he isn’t directing, and also why he thinks an all-female cast is the right way to go. Reitman is promoting sports movie Draft Day – which hit DVD in the UK this week – and unfortunately we spoke to him a couple of hours before Kristen Wiig, Melissa McCarthy, Leslie Jones and Kate McKinnon were announced as the all-new Ghostbusters.