Defense counsel Mark O'Mara stifles a yawn during a reconvening in the courtroom for a jury question...
Defense counsel Mark O'Mara stifles a yawn during a reconvening in the courtroom for a jury question during the trial of George Zimmerman in the shooting death of Trayvon Martin at the Seminole County Criminal Justice Center, in Sanford, Florida, July 13, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin. REUTERS/Joe Burbank/Pool (UNITED STATES - Tags: CRIME LAW)