[edge919]

Presidential CANDIDATES are vetted by national security agencies. A candidate cannot receieve the traditional CIA Briefing for serious presidential candidates without the clearances.

There's nothing in your link that says this. You're making an assumption that isn't borne out by fact.

[jamese777]

There’s nothing in your link that says this. You’re making an assumption that isn’t borne out by fact.

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The Intelligence Agencies are a wee bit skitish about publicizing their current procedures. What we know comes from what was done in the past.

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Please note that Obama got a CIA top secret security briefing BEFORE the vote of the Electoral College, BEFORE the Joint Session of Congress to count and certify his Electoral College votes AND months before the swearing in ceremony. In order to receive that briefing, you need top secret security clearance:
http://abcnews.go.com/Blotter/story?id=6191835&page=1