MANILA — While President Arroyo dined for $20,000 in New York, Manobo children only have lugaw, bread and food rations at the evacuation center at the Diocese Pastoral Center in Tandag, Surigao del Sur. (Photo courtesy of Mapasu and Kalumaran / bulatlat.com) Some 1,700 Manobo lumads from Diatagon, Surigao del Sur were displaced last July…