Graham, Harrison in statistical tie in Senate race: internal poll

Democrat Jaime Harrison’s (S.C.) Senate campaign released an internal poll on Monday finding him in a statistical tie with Sen. Lindsey Graham (R-S.C.).The survey, conducted by veteran Democratic pollster Cornell Belcher, finds Graham at 43 percent and Harrison at 41 percent. That’s within the survey’s 3.5 point margin of error.The poll found that 51 percent of voters disapprove of the job Graham is doing. About 33 percent of South Carolina…