Emily Landau looks back on two decades of life on antidepressants; Ken Dryden revisits Scotland’s referendum; David Macfarlane explains how Mavis Gallant died penniless in Paris; Lisan Jutras profiles Sheila Heti; Kaitlin Fontana visits the set of Schitt’s Creek; Naheed Mustafa details the marketing strategy of the Islamic State; poetry by Michael Prior and Don Coles . . .