Israel has successfully destroyed buildings on the surface of Iran’s nuclear sites. But it needs Donald Trump’s help to have a chance of hitting the important facilities hidden deep underground. Only America has the Massive Ordnance Penetrator, a special kind of bomb that can bust bunkers. Even it may struggle to do the job.

Elsewhere, we ask: what is corporate culture, really? A lot of guff is written about it. So we analysed a big trove of employee reviews of 900 companies, producing a striking interactive that shows how they score on things like agility, toxicity, candour and work-life balance.