You may have noticed that the kind of focus we all need to get stuff done is harder and harder to come by. But fear not. To help you get back on track, we've called in some of the smartest writers we know to give us their take on the attention crisis and what we can do about it. All this week, we'll be hearing from them. First up is journalist Johann Hari. Johann is the author of three New York Times bestsellers, and he joins us today to share some key insights from his latest, "Stolen Focus: Why You Can't Pay Attention—and How to Think Deeply Again."