Earlier this month, Michigan regulators approved a key permit to build a tunnel under the Great Lakes to house the controversial Line 5 oil pipeline, prompting pushback from environmental advocates. POLITICO\u2019s Adam Aton breaks down the latest Line 5 news and how President Joe Biden now must navigate tricky pipeline politics in a swing-state during an election year. Plus, FERC on Tuesday launched an investigation into whether it should exercise more oversight over large investment companies\u2019 stakes in public utilities.\n\nFor more news on energy and the environment, subscribe to Power Switch, our free evening newsletter: https://www.politico.com/power-switch\n\nAnd for even deeper coverage and analysis, read our Morning Energy newsletter by subscribing to POLITICO Pro: https://subscriber.politicopro.com/newsletter-archive/morning-energy\n\nCatherine Morehouse is an energy reporter for POLITICO and the host of the POLITICO Energy podcast.\nAdam Aton covers the politics of climate change for POLITICO\u2019s E&E News.\nNirmal Mulaikal is a POLITICO audio host-producer. \nKara Tabor is an audio producer for POLITICO.\nGloria Gonzalez is the deputy energy editor for POLITICO. \nMatt Daily is the energy editor for POLITICO.