Deep inside Israel's military forces — how does living with war affect their view the world?

As President Obama begins a new push for peace in the Middle East, NOW ON PBS travels to Israel to see how a lifetime of war shapes the psyche of a nation where almost every able-bodied man and woman must serve in the military. NOW goes inside Israel's defense forces, where few have gone before,  to speak with reservists about the impact of constant war on both their lives and their world view.