Five Best Ideas of the Day: March 31, 2017 - The Aspen Institute

School lunch share tables fight hunger and food waste.

Melissa Terry in Civil Eats
We can’t target terrorists with lasers — yet.

Patrick Tucker in Defense One
Public libraries can be the key to building healthy communities. Here’s how.

Marcela Cabello and Stuart M. Butler at the Brookings Institution
America’s scientists are getting older — and nobody is replacing them.

Colleen Flaherty in Inside Higher Ed
Will artificial intelligence ever replace doctors?

Siddhartha Mukherjee in the New Yorker