President Trump on Thursday called for former Vice President
“What did Hunter Biden do for the money?” @SenJohnKennedy A very good question. He and Sleepy Joe must testify!
— Donald J. Trump (@realDonaldTrump) November 7, 2019
Neither of the Bidens are likely to testify in the House impeachment inquiry. While Republicans have the power to request a subpoena of witnesses, those requests are subject to approval by Democrats leading the investigation.