Lena Dunham returns to moviemaking with the Sundance premiere of Sharp Stick
L.A. changes people, and not always for the worse. I’ve known hard-drinking Midwesterners who became yogis and got sober (well, “California sober”) within a year of relocating out west. California seems to have changed Lena Dunham as well: After laying low for a few years with some pretty serious health issues—and a…