20 March, 2017 1:05PM EST.
The failure to remember is considered by many experts to be the number one deceptive answer under oath.
"I don't remember" when it is combined with two additional elements to a question that is a "yes or no" question regarding direct contact with the administration of a president of the United States regarding surveillance of an incoming president.
1. Lengthy pause
2. Dropped the pronoun "I"
What would this suggest?
The subject has the need to consider carefully his answer, and psychologically, he has a need to distance himself from the answer of not remembering.