MSNBC Host Chris Hayes explores the evolution of the attention economy in “The Sirens' Call: How Attention Became the World's Most Endangered Resource.”.

For one weekend day this fall in New York — and for a price — MSNBC fans can see many of their favorite personalities in real life.

Hundreds of thousands of Fox News viewers are reacting to Tucker Carlson's firing by abandoning the network in his old time slot — at least temporarily.