All aboard for this 5 minute podcast with the men who want to build a rail tunnel between Guernsey and Jersey, in the Channel Islands, and onward to France. Pie in the sky? Absolutely not, says Guernsey businessman Martyn Dorey. Feasible? Yes, according to tunnel expert Stephen Whitham who says it's like a manageable mortgage when it comes to paying the estimated £2.6bn price tag.