A TERRORIST is supposed to have a mean, cold and killer look. But not Amrozi and Muchlas two weeks ago when they made their reappearance in Solo. The two brothers were almost always laughing, smiling or grinning. When asked to re-enact what they did when they met in Solo last August, the pair appeared very casual and relaxed. There were even occasions when the duo would laugh heartily. Were they stressed out by the marathon-long interrogation