Today:

In the 1980s, the height of the crack epidemic, Paul Joyce was a Boston police officer. He’s now out with a new book about how the department struggled during that era, and the rise in gun and gang violence. He joins to discuss his new book “It Started With the Hats” – the life experiences of Boston’s founding street gang members.

And, MIT economist Jon Gruber breaks down Trump’s view on tariffs, and how changing policy would affect the global economy.