Jeremy Clarkson has left some viewers concerned after his grid walk interview with Martin Brundle at the Bahrain Grand Prix. Brundle’s grid walk is a regular feature at F1 races with the former driver speaking to sports stars and celebrities from all walks of life. He caught up with Clarkson and The Grand Tour presenter’s wife Lisa Hogan with the two motorheads speaking about the current state of F1. “I spent all of today looking at the lap times – that’s how boring I am – from last year to this year and wondering what have they all been doing over the winter because the gaps are by and large …