In this Tuesday, Aug. 14, 2012 photo Leana Wen, who is doing her medical residency in emergency medicine at Harvard-affiliated Brigham and Women's Hospital and Massachusetts General Hospital, sits in ... more 
In this Tuesday, Aug. 14, 2012 photo Leana Wen, who is doing her medical residency in emergency medicine at Harvard-affiliated Brigham and Women's Hospital and Massachusetts General Hospital, sits in front of her computer on the rooftop of her apartment in Boston. Wen chose emergency medicine because the hours are more flexible than those of primary care physicians. (AP Photo/Steven Senne) less 
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Associated Press | Photo By Steven Senne
Sun, Sep 2, 2012 11:00 AM EDT