Whatever Happened to the War Song?

Back in the days of the Vietnam War the airwaves were full of protest songs. Today, plenty of conflict, but none of those songs. Humphrey Hawksley's been to Nashville to find out why. Jeremy Bowen's just been to Gaza, Syria and Iraq and reflects on what the fighting there might achieve. Caroline Wyatt's been reporting on global conflicts for seven years in her role as BBC Defence Correspondent. One question she's frequently been asked about war is: was it all worth it? The Irish economy may once again be gathering strength, but John Murphy, in the west of the republic, finds that emigration is taking its toll on rural life. And how difficult is it to go off for a swim? In the Indian capital Delhi, as Anu Anand's been finding out, the answer is ... VERY difficult!