Politicians and officials under investigations like the one probing the Trump campaign's Russia ties often say they cannot recall certain events. Investigators and prosecutors don't look kindly on such statements.
But high-profile public figures do sometimes develop incorrect memories, such as Brian Williams' on-air exaggerations, and Hillary Clinton's story of coming under sniper fire in Bosnia.
"Educated, successful people in society can have pretty huge false memories," Elizabeth Loftus, distinguished professor of psychology and social behavior, told Politico.
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