Abigail Thernstrom : President Obama 's 2012 statement on case was a mistake . Comment: Presidents should be above the stance of those who seek to stir racial tension , she says . Thernstrom : Federal charges vs. Zimmerman would exacerbate the race issue .
Abigail Thernstrom : President Obama 's 2012 statement on case was a mistake . She says Obama wrongly emphasized role of race in the case . Presidents should be above the stance of those who seek to stir racial tension , she says . Thernstrom : Federal charges vs. Zimmerman would exacerbate the race issue .