As U.S. senators grill Robert F. Kennedy Jr. this week, President Trump’s pick to run the Department of Health and Human Services is facing sharp questions about his actions in an island nation half a world away. 

As first responders searched the Potomac River Thursday following the nation’s deadliest airline crash in nearly a quarter of a century, the agency tasked with regulating civilian air travel was without a Senate-approved head.

The Republican-controlled Senate on Wednesday confirmed Lee Zeldin to lead the Environmental Protection Agency, a key role to help President Trump fulfill his pledge to roll back major environmental regulations, including those aimed at slowing climate change and encouraging use of electric vehicles.