Barrick Gold CEO Mark Bristow on Wednesday said he sees no competition from rivals in his pursuit of Freeport-McMoRan’s Grasberg copper/gold mine in Indonesia but cautioned any deal for the asset would take time to pull off. Bristow has fanned speculation that Barrick, the world’s No. 2 gold miner, is poised to deepen its exposure to copper and last week expressed interest in acquiring Freeport’s flagship Grasberg mine.