Cumulus shuffled the programming at a few of its outlets in Myrtle Beach, SC today. Urban "Power 100.3" WSEA flipped to CHR "I100 - Today's Hottest Hits" at 10:03am after stunting over the holiday weekend. Prior to flipping to Urban in April 2009, WSEA had been CHR as "Hot 100". 93.7 WXJY Georgetown, SC has