With his political capital on the line, Trump rallies for Darline Graham in South Carolina

By Betsy Klein, CNN Myrtle Beach, South Carolina (CNN) — “South Carolina is Graham Country.” So read the signs at the Myrtle Beach Convention Center, where President Donald Trump rallied on Friday for the sister of his late friend, Sen. Lindsey Graham. Tuesday’s Republican runoff — between appointed Sen. Darline Graham and Rep. Ralph Norman