'It's tricky to find men when you're living under a fatwa'

The Time Magazine gala held in New York's Lincoln Centre last May was always going to be a high-octane affair. Billed as a celebration of The 100 Most Influential People in the World, it was a chance for the globe's intellectual and political glitterati to rub shoulders while making small talk about geo-politics and contemporary literature.

But amid the mingling of eminent grey matter – guests included Barack Obama's speechwriter and Oprah Winfrey – there was also a crackling of mutual physical attraction between two glamorous invitees with a shared taste for conservative politics and speaking their minds.

Yesterday, the affair sparked that night between the British historian and television presenter Niall Ferguson and Ayaan Hirsi Ali, the Somali-born feminist whose criticism of Islam provoked a fatwa which has left her living under police protection since 2004, was revealed – along with the news that the millionaire academic is to divorce his wife of 16 years (...)