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Rosenthal spent 25 years as an engineer in the oil field — the industry the Railroad Commission is supposed to regulate — and in 2018 he unseated a 12-term Republican in northwest Houston while being outspent seven to one. His opponent was forced out as Tarrant County GOP chair over antisemitic posts.
UT mechanical engineer, subsea systems specialist, project manager — then, after the 2016 election, he started an Indivisible group in his neighborhood that hit hundreds of members in weeks, and ran. In four terms in the House he wrote the law requiring ERCOT to use modern forecasting after the 2021 grid collapse and became one of the House's go-to voices on the grid. The Tribune calls this race "culture warrior against engineer": Bo French campaigns on Islam, immigration and LGBTQ people; Rosenthal campaigns on knowing how a pipeline works.
