September 1, 2010 10:04 pm Jamie Lee Curtis and Sigourney Weaver Debate: “Aliens” vs. “Halloween” Jamie Lee Curtis and Sigourney Weaver debate over which one of their movies is scarier, Sigourney’s “Aliens” or Jamie Lee‘s “Halloween“? US & World Videos 1:40 Democrats say Big Oil misled public for decades about climate change 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 1:49 New guidelines say women should be screened every other year for breast cancer starting at 40