Two years after the texts first started and despite never having met, BBC News anchor Ros was now exchanging more texts with legendary US broadcaster Keith Olbermann than anyone else apart from his wife. They often arrive as he's making the late night trip home after his show - and they continue...

Keith is both famous and infamous in part because of his political polemics and very public fall-outs. And that comes at a cost: he regularly receives death threats. Ros never has. And he wants to know: Does Keith ever regret the constant conflict?