Happiest Baby on the Block author Dr. Harvey Karp joins to talk about the development of his approach to calming crying babies and the crucial role dads play. We also discuss Dr. Karp’s groundbreaking Snoo Smart Sleeper that took him five years to create with MIT-trained engineers and famed designer Yves Behar.

The Parents Phrase Book author Whit Honea joins to encourage us to let our teenagers cry.