Writing a wrong: How social media changed the rules on interviews

To find Marian Keyes eating the face off Marian Finucane on Twitter is like finding your budgie savaging your alsatian.

You don’t want to intervene, because it’s a grown-up budgie and a grown-up alsation, but it’s so astonishing, you can’t quite believe it’s happening.

Just in case you missed this one, here is how it went. The writer (Ms Keyes, a woman of more charm and sweetness than average) went on the radio programme to promote her latest book through an interview with the doyenne (Ms Finucane, a woman with 40 years as the premier female voice on RTÉ 1).