Up First briefing: Biden impeachment inquiry; Libya flood; ineffective decongestantsGood morning. Today's top storiesHouse Speaker Kevin McCarthy announced a formal impeachment inquiry into President Biden yesterday. McCarthy said Biden "used his official office to coordinate with Hunter Biden's business partners about Hunter's role in Burisma, the Ukrainian energy company." How he navigates the impeachment inquiry and potential government shutdown will dominate the Capitol in the following weeks. He tells NPR's Ruth Sherlock that the scale of the disaster is "epic" and unlike anything Libya has seen in modern history.