In a move that generated widespread concern last week, President Donald Trump signed an executive order that aims to repeal the 2010 Dodd-Frank Wall Street Reform and Consumer Protection Act . Even Dodd-Frank’s strongest supporters acknowledge that parts of the law could be tweaked to remove excessive financial regulation and made simpler. But they worry that in the process of such reforms, much of what is good in Dodd-Frank will be undone. The Trump administration’s vehicle to repeal Dodd-Frank is the Financial Choice Act , a failed 2016 bill being reintroduced by Republican Congressman Jeb Hensarling, who is chairman of the House Financial Services Committee. The bill gets its new traction from Trump’s presidential order , signed on February 3, which lists seven so-called “Core Principles” to regulate the U.S. financial system.…