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’s 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’ stakes in public utilities.   For more news on energy and the environment, subscribe to Power Switch, our free evening newsletter: https://www.politico.com/power-switch And for even deeper coverage and analysis, read our Morning Energy newsletter by subscribing to POLITICO Pro:  https://subscriber.politicopro.com/newsletter-archive/morning-energy   Catherine Morehouse is an energy reporter for POLITICO and the host of the POLITICO Energy podcast. Adam Aton covers the politics of climate change for POLITICO’s E&E News. Nirmal Mulaikal is a POLITICO audio host-producer.  Kara Tabor is an audio producer for POLITICO. Gloria Gonzalez is the deputy energy editor for POLITICO.  Matt Daily is the energy editor for POLITICO. Learn more about your ad choices. Visit megaphone.fm/adchoices