U.S. lawmakers on Tuesday will get another chance to grill the heads of the Federal Reserve and Treasury over the effectiveness of the nearly $3 trillion in emergency aid doled out to stem the economic fallout from the novel coronavirus pandemic. The U.S. central bank, with Treasury’s backing, has launched programs to improve the flow of credit as economic activity cratered and millions of jobs were lost, including its new Main Street Lending Program for mostly medium-sized businesses. Treasury has been at the forefront of the $660 billion forgivable-loan Paycheck Protection Program (PPP) aimed at keeping small ... (full story)