In this week’s show… Israel on a collision course with Iran: what’s the best course for nations including the US to take, and can we countenance another mid-East conflict? Then, in the UK gay marriage has been on the agenda again – except neither Fevzi nor Nick can work out what differentiates gay marriage from ‘civil partnership’. And then to additives used by some fizzy drinks manufacturers, who it’s reported have cut a conceivably carcinogenic caramel rather than risk the wrath of California’s food police (and we slander humble aspartame: sorry about that).