Newsnight - 16/02/2009

In-depth investigation and analysis of the stories behind the day's headlines with Kirsty Wark. A haemophiliac who has died contracted vCJD from the blood products used to treat him - should all blood be screened? Also, the impact on Latin American democracy of Venezuelan president Hugo Chavez winning a vote allowing him to run for office indefinitely. Newsnight's Ethical Man, reporter Justing Rowlatt, sets off in search of green consumerism in the USA. Plus, John Simpson on 30 years since the Iranian revolution.