Boris Johnson's landslide win in the latest UK was the biggest win for the Conservative Party since Margaret Thatcher. Fmr. UK foreign secretary David Miliband tells what this means for Brexit - and what it could foreshadow for the US.

Boris Johnson's landslide win in the latest UK was the biggest win for the Conservative Party since Margaret Thatcher. Fmr. UK foreign secretary David Miliband tells what this means for Brexit - and what it could foreshadow for the US. https://t.co/ujRCPDKDqp

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