President Donald Trump’s nominee to lead the Internal Revenue Service will face a critical first test on the job: What can he achieve at the agency after the so-called Department of Government Efficiency is done with it?

The exchange between U.S. Sen. Elizabeth Warren and former U.S. Rep. Billy Long came in the context of the Trump White House's ongoing duel with Harvard University.

Billy Long’s effort to promote the credit, along with his pushing of a fraud-ridden pandemic-era tax break, will be under close scrutiny in his Senate hearing.