Orangeburg, 363 S.C. 19, 25, 609 S.E.2d 506, 509 (2005) (???Qualification of an expert and the admission or exclusion of his testimony is a matter within the sound discretion of the trial judge.???); Mizell v. Glover, 351 S.C. 392, 406, 570 S.E.2d 176, 183 (2002) (???A trial court???s ruling to exclude or admit expert testimony will not be disturbed on appeal absent a clear abuse of discretion.???