FOX News Media’s Stuart Varney and Dana Perino will co-moderate the second Republican presidential primary debate alongside Univision's Ilia Calderón on Sept. 27 on FOX Business Network. "We are very proud to have Stuart Varney and Dana Perino co-moderating the second debate with Univision to provide Americans with a comprehensive view of the qualifying candidates vying for the Republican nomination for president," FOX News Media President and Executive Editor Jay Wallace said. FOX Business will host the debate from the Ronald Reagan Presidential Foundation and Institute in Simi Valley, California.