Today’s conversation is with Mike Barnwell at the Michigan Regional Council of Carpenters and Millwrights, a union organization more than 14,000 members strong. I reached out to Barnwell because I’d been trying to better understand the role labor unions could play in influencing renewables policy decisions, from the labor permitting office to the fate of the Inflation Reduction Act. So I called him up on my way home from the American Clean Power…