Commentary It’s not too often that Republicans embrace the agenda of leftist Sens. Bernie Sanders and Elizabeth Warren. But it’s happening. Sen. Josh Hawley, the young Republican senator from Missouri, has introduced a bill in Congress entitled: “Trustbusting for the Twenty-First Century Act.” It may be the most dangerous bill to our economy from a Republican in ages. It would reduce American competitiveness, cost millions of jobs, penalize companies for growing and being profitable, kill funding for small-business startups, and empower unprecedented new regulatory powers to the deep state lawyers and bureaucrats in Washington. Hawley is no fan of the politics of Big Tech—who is?—so he wants to put new teeth into antitrust laws that were birthed during America’s first “Progressive Era.” His bill would 1) ban mergers and acquisitions by firms with a market cap over $100 billion; 2) change the standard of “‘monopolistic” behavior from causing “consumer harm” …