IMPEACHMENT ONLINE EXTRA: Battle-tested attorneys to face off in impeachment inquiry

A photographer sets a white balance in the hearing room where the House will begin public impeachment inquiry hearings Wednesday, on Capitol Hill in Washington on Tuesday, Nov. 12, 2019. With the bang of a gavel, House Intelligence Committee Chairman Adam Schiff will open the hearings into President Donald Trump's pressure on Ukraine to investigate Democratic rival Joe Biden's family. (AP Photo/Jacquelyn Martin)

WASHINGTON — The public impeachment inquiry hearings set to begin today will pit a Democratic attorney who built his reputation as a federal mob and securities fraud prosecutor against a GOP House Oversight investigator who helped steer some of the most notable probes of the Obama administration.