| So, while we haven't seen his name on either the wall or in the lighthouse, I suspect Desmond was a candidate and Whidmore has figured out that if he can keep desmond there, he still counts as a candidate and therefore the MIB can't leave. 
				__________________'He who receives an idea from me, receives instruction himself without lessening mine; as he who lights his taper at mine, receives light without darkening me.' 
-TJ
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