When Gurinder Chadha set out to make a movie based on journalist Sarfraz Manzoor’s memoir about the effect of Bruce Springsteen music on his life, she had one small problem. The movie couldn’t work without Springsteen’s songs. So when she and Manzoor snagged a moment with The Boss on a red carpet, they took their shot. Incredibly, it worked. Chadha and Manzoor tell the tale of their film ‘Blinded by the Light.'