Laura Kuenssberg: Questions politicians can’t seem to answer on immigration

But this conversation gets tricky, fast. If the level is wrong, what is the right one? The Tories have bad memories of setting a limit and then failing over, and over, and over again to hit it. It was our now Foreign Secretary Lord Cameron who, in 2010 as prime minister, promised to get net immigration under 100,000. Back then it was around a quarter of a million, which seemed sky high, it’s more than double that now.