Contrary to the spinning in recent days by apologists for the Obama administration’s spying on the Trump campaign, Brennan, among others, did make partisan use of this surveillance before election day. The testimony of Harry Reid, the former Nevada senator notorious for his low blows, is decisive here. Reid has bluntly told reporters that Brennan sought him out as the conduit for a crippling leak against Trump during the campaign: “Why do you think he called me?”
https://spectator.org/john-brennans-slender-reid/