September 8, 2011 1:52 pm ‘She's Gone': Woman's Twin Was Flight Attendant on United 93 A twin sister and a brother keep their sister’s memory alive. She was a flight attendant on United flight 93 that went down in Pennsylvania. US & World Videos 4:16 2 San Jose police officers shot, injured after gunbattle with suspect 0:49 Wife of man accused of intentionally driving car off Devil's Slide cliff calls for his release 4:07 Watch: Parkinson's Foundation to hold annual Moving Day SF 1:02 Kentucky Derby watch party returns to Sonoma County winery 1:07 Advocates for sex abuse victims seek to preserve funding