Can you be Charmed by more than two Charmers?

@LeMarcSharmaCan you be Charmed by more than two Charmers? For Dominate Person, would you give latest caster the control? yes and yes, I'd also for dominate would contest wisdom between casters to see who controls each round #WOTCstaff

— (((Mike Mearls))) (@mikemearls) August 6, 2016