WATCH: Democrat Conor Lamb rides steelworkers unions to neck-and-neck House race
United Steelworkers union VP JoJo Burgess talks about the new tariffs and instrumental steelworkers' vote in Pennsylvania.
WATCH: How the opioid crisis influenced the Pennsylvania election
Recovering addict Kendra Dilascio tells her story and talks about what can be done to help fight the epidemic.
WATCH: Pennsylvania 3rd-party candidate: No one is entitled to your vote
Libertarian Drew Miller says he may be "the most hated man in America" after receiving more votes than the difference between Conor Lamb and Rick...
Sen. Sanders wants DoD to rein in 'excessive' contractor payments
The Department of Defense is currently undergoing its first-ever audit.
Price paid Treasury for use of private jets, Democrats say
Democrats raised questions about Trump aide Kellyanne Conway's travel as well.
WATCH: Democrat declares victory in Pa. special election
The race is officially too close to call but Democratic candidate Conor Lamb declared victory in a district that President Trump won by 20 points...
WATCH: Trump faces GOP defeat in Pa., more staff changes
ABC News analyst and former New Jersey Gov. Chris Christie weighs in on the special election in Pennsylvania and President Trump's decision to fire...
WATCH: More White House staff changes expected
ABC News' Jonathan Karl reports on hints from President Trump that more changes are to come after the firing of Secretary of State Rex Tillerson.
The Note: In Pennsylvania’s special election, an expensive lesson for Republicans
More than $10 million, a visit by President Donald Trump … all to buy a tie?
‘Open revolt’ at the State Department over Tillerson dismissal, reporter says
A reporter says there is “open revolt” between Trump and the State Department.
WATCH: GOP candidate Rick Saccone: 'We're still fighting the fight'
The republican candidate for Pennsylvania's 18th Congressional District spoke to supporters Tuesday night.
Bellwether Pennsylvania special election too close to call
Such a tight margin will likely be seen as a major victory for the Democrats.