An eerie 15-second clip sets nationalist imagery to the Scottish duo’s new song “Deep Time” Boards of Canada, photo by Peter Iain Campbell Last night, the social media accounts of President Trump’s White House posted their latest promotional video for U.S. nationalism. The eerie footage of windblown flags, detention centers, and a border patrol boat came with an unlikely soundtrack: Boards of Canada ’s “Deep Time,” the song from new album Inferno that was initially released as “ Tape 05 .” Now, the reclusive Scottish duo’s label, Warp , has released a simple statement denouncing the video: “Warp Records and Boards of Canada do not condone the unauthorised use of their music for political messaging.” In a further bizarre co-option, the White House’s video team adopted the staticky, VHS-style aesthetic associated with Boards of Canada; “Tape 05” itself was initially mailed to fans on VHS, and the videos for follow-up tracks “Introit” and “Prophecy at 1420 MHz” had a similar look—as well as some sinister…