MORNING HEADLINES | Joint Base Charleston is now officially Joint Base Lindsey Graham to honor the late U.S. senator from South Carolina’s decades of military and public service. Polls are open through 7 p.m.At Joint Base Charleston on Monday, several luminaries — S.C. Gov. Nearly 200 members of the U.S. Air Force also were in a tent outside Joint Base Charleston for the unveiling of the installation’s name change. Graham served 33 years in the U.S. Air Force, including active duty, service in the South Carolina Air National Guard and the Air Force Reserve. Since 1997, the Charleston City Paper has provided the kind of information that people in Charleston and across South Carolina rely on.