When most people think of Myrtle Beach, South Carolina , they picture a tourist destination with ample sunshine, sandy beaches, and beautiful views of the Atlantic Ocean.  But soon Myrtle Beach will feature a more meaningful attraction city officials believe is long overdue – a Vietnam War memorial.  Last week, more than 500 curious residents of the oceanside southern hamlet attended a groundbreaking event for the new memorial, which will be in The Market Common at Warbird Park.  Entrance to