A "congressional hearing" is a formal meeting where members of Congress discuss and investigate important issues, listen to witnesses, and gather information to make decisions on laws and policies. Full definition
It's worth noting here that congressional hearings on climate science have been confined to examining cases where adjustments to the surface temperature measurements increase global warming trends. (corporateknights.com)
The chief executive has agreed to testify in at least one congressional hearing over the social network's handling of customer data, according to people familiar with the decision. (nytimes.com)
Can someone come up with some important decisions on military projects influenced by congressional hearings? (politics.stackexchange.com)