Joining Forces At Penn

First Lady Michelle Obama and Dr. Jill Biden participate in a Joining Forces nurses event in the Irvine Auditorium at the University of Pennsylvania in Philadelphia, Pa., April 11, 2012. Nursing leaders have committed to educating current and future nurses on how to recognize and care for those suffering from post-traumatic stress disorder, traumatic brain injury, and other combat-related issues. (Official White House Photo by Lawrence Jackson)