William Lawrence is a Democrat running to represent Michigan’s Lansing-area Seventh Congressional District with a campaign that largely focuses on data centers and affordability. It’s not an unusual story in 2026 — but not long ago, Lawrence was cutting his teeth in progressive politics as a co-founder of the Sunrise Movement, primarily focused on organizing around the climate crisis.His arc, from progressive activist to politician, is emblematic of a bigger trend, as a wave of millennial progressives in midterm races across the country try to lean into issues that have broader, more immediate appeal with voters.But that arc also raises…