There's still no conclusive answer to the six-month-old question of who blew up the Nord Stream pipelines, which sent geopolitical shockwaves around the world. POLITICO’s Charlie Cooper breaks down the prevailing theories and the global energy implications of each culprit. Plus, Senator Joe Manchin said he would not support President Joe Biden’s nominee to a top Interior Department position.

Josh Siegel is an energy reporter for POLITICO.

Charlie Cooper is the Chief UK correspondent at POLITICO Europe.

Nirmal Mulaikal is a POLITICO audio host-producer.

Raghu Manavalan is a senior editor for POLITICO audio.

Jenny Ament is the executive producer of POLITICO’s audio department.

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What we know – and don't know – about the Nord Stream sabotage