Stephan's Thursday Picks

• Couche Tard in talks to buy Carrefour for $20 billion (Bloomberg)
• Walmart to expand grocery delivery with smart cooler pilot (Reuters)
• A better way to lead large-scale change (McKinsey)
• Tyson, Pilgrim's agree to settle some price fixing claims (WSJ)
• Ontario vows 'inspection blitz' of crowded big-box stores (Globe and Mail)