This week, a look at the scope of the hunger emergency in Haiti and around the globe. Plus, Students who care: a compassionate alternative to spring break on the beach, and a look at the Internet business model of giving things away for free.

Food isn't free, but everything else is

Brian Lehrer, of WNYC Radio's Brian Lehrer Show, also hosts an hour-long weekly television show on CUNY-TV. In addition to highlighting new academic research with the power to transform society and policy in a regular segment called, "Public Intellectual," Brian interviews experts on a wide variety of topics including: the digital age and how it’s transforming our world; new social and political trends and current events in New York City and beyond; entrepreneurs of change; grassroots environmental efforts; and innovative inventions and apps.

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Food isn't free, but everything else is

Food isn't free, but everything else is