Stephan's Wednesday Picks

• Nearly all Americans fail to eat enough of this superfood (Vox)
• Amazon to Whole Foods online delivery customers: we're out of celery, how's kale (WSJ)
• Some Shoppers Drug Mart staff say they're fed up with pushing self-checkout (CBC)
• Big Pharma's defense of higher drug prices doesn't add up (The Atlantic)
• Rent the Runway joins Glossier in the elite club of female-founded unicorns (Fortune)