President Joe Biden's son, Hunter Biden, leaves after a court appearance, July 26, 2023, in Wilmington, Del. Hunter Biden is offering to testify publicly before Congress, setting up a potential high-stakes face-off. The offer by President Joe Biden's son on Tuesday is in response to a subpoena from Republicans investigating his business dealings as they pursue an impeachment inquiry into the Democratic president. (AP Photo/Julio Cortez, File)