Carlene Pinto watched from her middle-school classroom in Brooklyn as the plane pierced the second tower; then she trudged the three miles home as paperwork and dust rained from the sky, reports the New York Times. Rebecca Rodriguez felt helpless as a teenager watching Hurricane Katrina unfold on television. And Lindsay Yates still shudders at the recollection of Hurricane Fran, which killed two dozen people in her native North Carolina when she was a second grader. Now in their early 20s, these women might be members of a support group for those brushed by trauma at a tender age. Instead, they spent the spring term studying disaster mental health at the State University of New York campus here…