Big is Better; Boo to Biofuel: USAID Administrator Rajiv Shah receives praise from just about everyone who meets him, but he donned a target shirt while speaking yesterday at Johns Hopkins' School of Advanced International Studies. After citing his agency's work with large entities like JP Morgan and Pepsico, he reportedly called for ending the "skepticism on large-scale private investment," noting that large agribusiness brings tremendous supply chain capacity. This brought criticism from the environmental group Worldwatch Institute, which warned that large private investors are "profit-driven and [consequently] problematic."  He also reportedly blamed grain-based biofuel for causing high food prices that hurt the poor. He stated th...