 The highlight of the night for the GOP will most certainly be J.D. Vance, the man Donald Trump chose at the beginning of the week to be his running mate. He is expected to address the crowd near the end of the night. Vance is just 39 years old. CBS News special report. I'm Deborah Rodriguez. Neogas is now Vicksburg's locally owned and operated Cummins generator distributor. They sell, install, and service Cummins generators throughout the southeast. They also