The intelligence briefing ensures that regardless which candidate wins, that person will be prepared on day one for his or her role as the commander-in-chief.
Both candidates receive these briefings, usually within days of one another. Hillary Clinton hasn't said anything publicly about her schedule. It's possible that she's already spoken to the intelligence officials, or is in the process of being briefed.
The briefing serves as an introduction to a world that is insular and closed off. Officials describe methods of collecting intelligence - from signals intelligence, which looks at radio and radar clues, to human intelligence gleaned from agents and contacts - and what they know based on those methods.
The officials explain about dangers, ranging from the Islamic State group to despotic leaders around the globe.
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