The federal government spent $270 billion in 2012 to help Americans buy or rent homes, but little of that spending went to the families who struggle the most to afford housing.
The space station, launched in 1998, is run by a partnership of 15 nations to support scientific research. It was designed to remain structurally sound for as many as 60 years, but in the past 10 years it has experienced a number of problems, from air leaks to computer glitches.
There are huge obstacles to residential drone deliveries.
Hitachi sees Japan, India, Australia and China as the key growth opportunities in the Asia-Pacific region.