An advisor to Rep. Jim Clyburn (D-S.C.) said Michigan Senate candidate Abdul El-Sayed (D) cannot disinvite his former primary opponent Rep. Haley Stevens (D-Mich.) from a scheduled event on Sunday in Detroit, Mich. “This is not Abdul’s event,” Antjuan Seawright, an advisor to Clyburn, told The New York Times Saturday afternoon. “The invitation still stands.” El-Sayed was…