Answer the following questions from Professor Michael E. Porter's TED talk "The case for letting business solve social problems" Link to the video:https://www.ted.com/talks/michael_porter_the_case_for_letting_business_solve_social_problems?language=en

1. Why do we turn to nonprofits, NGOs and governments to solve society's biggest problems?
2. Why did the talk suggest that conventional wisdom would not work?
3. Why would Michael Porter suggest letting business try to solve massive problems like climate change and access to water.