The president's son made a surprise appearance at one hearing.
The House Oversight Committee will vote on whether to hold Hunter Biden in contempt over his refusal to sit for a closed-door deposition with lawmakers.
11) Top GOP investigators say they will initiate contempt
Two House committees vote to advance Hunter Biden contempt
House committees approve resolution to hold Hunter Biden in
Ex-GOP Lawmaker Sums Up Jim Jordan And His Allies In Just 4 Words
Two House committees vote to advance Hunter Biden contempt
Hunter Biden business associate tells Oversight Committee
White House on Republican plan for Biden to testify on impeachment
Hunter Biden business associate tells Oversight Committee
Democratic lawmaker quotes 'RHOSLC' while criticizing Donald Trump
House GOP plans first step toward holding Hunter Biden in contempt
GOP-led committees approve contempt resolution against Hunter
House Oversight Committee to consider holding Hunter Biden in
