Local businesses talk about how the attacks on Sept 11 affected them. "It transitioned in the first couple of weeks from complete uncertainty to more of a realistic, pragmatic understanding that this was going to affect our defense plans," said Kathleen Perkins, vice president at Breault Research Organization, an optical engineering firm. "So we saw a surge in interest in what we provide." Copyright Tucson Citizen, September 4, 2002. All rights reserved.