Should Weed Be Legal?

Has "big cannabis" downplayed the dangers of legalization? Michelle Goldberg debates author Alex Berenson, whose forthcoming book makes the case against marijuana. Then, David Leonhardt, Ross Douthat and Michelle argue about which pot policy the United States should pursue. Finally, Ross recommends you stop saying "Merry Christmas" — at least for this week. For background reading on this episode, visit nytimes.com/theargument