Agence France-Presse: UN chief Ban Ki-moon called Monday for global leadership against the global food crisis as a United Nations task force met for the first time to design an action plan to curb soaring prices. During the closed-door meeting, Ban said “tackling this issue will require international leadership and coordination at the highest level,” his press office said in a statement. The task force’s primary aim is to “promote a comprehensive and unified response to the global …