Photo Gallery: Daily Published Photos: February 23, 2012 9/31

First-time blood donor Sergio Mendez, graduate student from Colombia, listens to Carolyn Patterson with the Oklahoma Blood Institute during the Bedlam Blood Drive at the ROTC armory on the University of Oklahoma campus (OU) on Tuesday, Feb. 21, 2012, in Norman, Okla.  Photo by Steve Sisney, The Oklahoman