Does 'The duty officer replied that security personnel at headquarters had just begun discussing the apparent hijack on a conference call with the New England regional office.' serve to directly refute the premise presented in 'Nobody suspected a hijacking as the cause of loss of communication until the second plane hit.'
The duty officer replied that security personnel at headquarters had just begun discussing the apparent hijack on a conference call with the New England regional office.###Nobody suspected a hijacking as the cause of loss of communication until the second plane hit.