What is the main conflict in Regarding the Pain of Others by Susan Sontag?

In Regarding the Pain of Others, Susan Sontag examines the manner in which war is perceived, taking into account such factors as sex, culture and status. She contends that war imagery is open to both interpretation and manipulation. Sontag rejects the notion that war imagery will necessarily compel a repudiation of war, instead arguing that war is itself perennial.