Republican Arizona Senate nominee Blake Masters and Sen. Lindsey Graham, R-S.C., are set to headline an event this Friday addressing issues related to national security just weeks ahead of the November midterm elections. The event, hosted by former Trump administration State Department spokesperson Morgan Ortagus and her national security advocacy organization POLARIS National Security, will be held in Scottsdale, Arizona and will include former Acting Department of Homeland Security (DHS) Secretary Chad Wolf.