The exterior of a Chick-fil-A restaurant is seen in Silver Spring Maryland

 
The exterior of a Chick-fil-A restaurant is seen in Silver Spring Maryland
The exterior of a Chick-fil-A restaurant is seen in Silver Spring, Maryland, August 1 2012. Two former Republican presidential candidates, Mike Huckabee and Rick Santorum, are encouraging people to eat at Chick-fil-A on Wednesday to show support for the chain restaurant as it weathers criticism for its president's public opposition to same-sex marriage. REUTERS/Gary Cameron