What are portable, assumable mortgages?

The Trump administration is proposing 50-year, portable and assumable mortgages to boost housing affordability, but experts are also warning of market trade-offs. Here's what to know.

What are the busiest airports in the US?

On Wednesday, the Federal Aviation Administration (FAA) announced its plans to reduce air traffic at 40 of the country's "high-volume" markets by 10% beginning Friday, according to The Associated Press.