city of new 29th the city of new orleans we will host the tennessee williams literary festival >> marc kaufman is next. he's been two years at nasa's jet propulsion laboratory to get an in-depth look of the challenges and triumphs. mr. kaufman shows photos taken by the curiosity rover and talks about the evidence collected that suggests they're may have once been life on mars. this is about an hour and a half. i would like to ask that your cell phone be turned off and don't take any pictures during the presentation. fyi, tomorrow in the new york times it will be all about mars and features an article by this evening speaker. curiosity is a car sized robotic rover that has been exploring the crater on mars since lending they're august 2012. nasa wants to curiosity in november 2011 from cape canaveral and took a little over eight months to reach mars. the rover's goals are to investigate the martian climate and theology and determine whether it ever had environmental conditions favorable to life. this is treating for those interested in the exploration of faith. know matter what category you fal