Two high-profile progressive lawmakers introduced a bill Wednesday that would pause new data centers in the United States until national safeguards are in place to protect workers and consumers and ensure the technologies don’t harm the environment.The legislation by Democratic Rep. Alexandria Ocasio-Cortez of New York and independent Sen. Bernie Sanders of Vermont is unlikely to advance in either the House or Senate, but it shows the deep concerns many progressives share about the growing impact of data centers and artificial intelligence.Communities across the country have seen a backlash against data centers over fears about rising electricity prices and concerns…