- Bias as the Red Cross Blood Drive Shantonu Sen While walking down the Infinite Corridor last week, I started noticing all the posters for the Red Cross blood drive. I decided to swallow my cowardice and go donate my blood. Everything was going fine until I read one of the questionnaires they gave me to fill out and sign. Not only did some of the questions seem a little personal, but some of them ...www-tech.mit.edu/V118/N53/sen.5.2.53c.html