DALLAS (CBSDFW.COM) - The controversy over Chick-Fil-A may now have impacted the Dallas Police Department. CBS 11 has learned a Dallas Police Sergeant brought a sandwich from the embattled restaurant chain to work with him last Wednesday, August 1, a day known around the country as Chick-Fil-A Appreciation Day. When the Sergeant arrived at his post at the Southeast patrol, words were exchanged between himself and two female officers. And while it is unclear who started the argument, police have launched an investigation into the matter. A department spokesperson says the issue is not whether the sergeant brought the sandwich...