At the...Wal-Mart Sustainability Summit held in Sao Paolo, Brazil...Wal-Mart announced significant goals and mandates to tackle some of the thorniest environmental and social problems in the world...But here's where the event took a radical and historic turn. Wal-Mart Brazil managed to get twenty major suppliers onstage to sign an agreement to meet all of these goals (and more). On very short notice, the company corralled the presidents of the Brazilian operations for major corporations such as Cargill, Johnson & Johnson, Kimberly Clark, PepsiCo, P&G, Sara Lee, and Unilever. Twenty top executives stood on stage and signed these aggressive agreements.