Gay rights activists are planning to hold on Friday a "national same-sex kiss day at Chick-fil-A," the restaurant chain whose president's opposition to same-sex marriage sparked a media frenzy. "Let's show Chick-fil-A thanks for their support of Love, Equality, and the Real Definition of Marriage!" organizers posted on their Facebook page. Same-sex couples are expected to arrive at restaurants across the country and kiss in protest, then post video or photos of the event on social media. But on Wednesday, throngs of others weighed in on the Chick-fil-A debate, buying chicken sandwiches at stores to show their support of the...