Q&A with 'Tim Cook: The Genius Who Took Apple to the Next Level' author Leander Kahney

Journalist Leander Kahney's new biography, "Tim Cook: The Genius Who Took Apple to the Next Level," explores Cook's ascendancy to CEO of the world's most valuable company, a journey undertaken in the shadow of visionary co-founder Steve Jobs. The author discusses his research and findings in this interview with AppleInsider.