What does it take to be a leader? This is a question that confounds many people across different industries. But perhaps the more important question is: what does it take to sustain leadership? This week, businesspeople from around the world converged on Radio City Music Hall in New York City for the World Business Forum to explore that and other issues. Some of the prominent speakers included: Al Gore, author Jim Collins (Good to Great), former P&G chairman A.G. Lafley ...