From M*A*S*H to Bassett Full Immersion In Afghan War Prepared New Trauma Director By JIM KEVLIN • Special to www.AllOTSEGO.com It was Christmas Day. “The Taliban likes to attack on holidays,” said Dr. Joon K. Shim, who arrived at Bassett Hospital Jan. 26 as a surgeon, as well as program director of the Columbia-Bassett Residency, training young doctors. She heard “a huge ‘kaboom’” – a mortar attack. “I was on the floor with my face to the ground. I thought…