It has been a long road for campaigners to get to this point but finally the Cystic Fibrosis "life-saving" drug Orkambi will be available for sufferers of the disease in the coming weeks. CEO of CF Ireland Philip Watt and Billy O'Toole who has CF spoke to Tommy Marren about the consequences of the government deal with Vertex Pharmaceuticals and the battle it has taken to reach this point. Listen back now.