Summary: The e-cigarette manufacturer Juul started off aiming its product at adult smokers looking to quit, but now the brightly-colored, fruit-flavored refill cartridges have caught on with teens, and the FDA is stepping in. We'll talk about it. Plus: the view from Dallas on NFL Draft Day, and the Avengers' infinite sponsorships. Plus, everything's looking up at Amazon: profits — and the cost of a prime membership.
