Our attention is limited. That makes it valuable, Chis Hayes says– not just to us, but to those who’d like to exploit it. Chris’s new book is The Sirens’ Call: How Attention Became the World's Most Endangered Resource; before he became host of “All in with Chris Hayes” on MSNBC, he was The Nation’s Washington Correspondent.

Also: Your Minnesota Moment: officials in sanctuary cities and counties in Minnesota face threats from the Trump administration. Host Jon Wiener explains the threats to undocumented residents from Stephen Miller, and the response from Minnesota’s Attorney General Keith Ellison.