Dan talks to Christopher Ailman, chief investment officer of the California State Teachers' Retirement System, where he manages $220 billion and helped put together a large investor coalition that is asking gun makers, distributors and retailers to act more responsibly.
"The real question is if it will really matter, in an era awash in mass shootings that almost immediately result in Americans retreating to partisan politics instead of compassion and common sense. Money talks, but can it also persuade?"
