“They [the Obama admin’s FBI] may have had someone who was talking to them in the campaign, but, you know, the focus here… is not on the campaign, per se, but what the Russians were doing,” Clapper said.

But if there was an intelligence agent “observing” the Trump campaign’s interactions with Russia, “that’s a good thing because the Russians posed a threat to the very basis of our political system.”

“I think it’s hugely dangerous if someone like that is exposed,” Clapper said of the yet-unnamed spy inside the Trump campaign.