Duffy Blamed Biden for Air Traffic Woes. It’s a Decades-Old Problem.

The federal government has taken a reactive approach to aviation policy, often leading to delays in modernization efforts and inadequate staffing and funding.

Carvana, a Used Car Retailer, Thinks Trump’s Tariffs Could be Good for Business

The chief executive of Carvana, which sells used cars online, said President Trump’s tariffs could help his company by increasing demand for its vehicles.

Trump’s China Deal Frees Up Shipping. Will Goods Pour Into the U.S.?

The temporary lowering of tariffs may compel some U.S. businesses to order goods that they had held off buying after President Trump raised them to 145 percent.

C.I.A. Fires Top Doctor Targeted by Far-Right Activist

The director of the agency’s Center for Global Health Services was dismissed a month short of qualifying for full federal retirement benefits, according to a lawsuit.

Tariffs on China Aren’t Likely to Rescue U.S. Medical Gear Industry

The few domestic companies that still make protective gear for health care workers have clamored for federal intervention. But they worry President Trump’s trade war with China won’t help.

Judge Blocks H.H.S. From Terminating $11 Billion in Public Health Grants

A coalition of states sued over the Trump administration’s unexpected move to cut off the funds, which they said imperiled everything from childhood vaccination programs to opioid addiction treatment.

Top FDA Vaccine Official Resigns, Citing Kennedy’s ‘Misinformation and Lies’

Dr. Peter Marks, a veteran of the agency, wrote that undermining confidence in vaccines is irresponsible and a danger to public health.

H.H.S. Scraps Studies of Vaccines and Treatments for Future Pandemics

Federal officials cited the end of the Covid-19 pandemic in halting the research. But much of the work was focused on preventing outbreaks of other pathogens.