http : //en.wikipedia.org/wiki/psychological_warfare [ 3 ] witsec and other terms are discussed here : http : //en.wikipedia.org/wiki/united_states_federal_witness_protection_program [ 4 ] cia infiltration of the media is briefly described here http : //en.wikipedia.org/wiki/operation_mockingbird [ 5 ] continuity of government was revealed in iran-contra hearings .