Backers say the agreement with the United Arab Emirates is a model for other countries in the region. But critics worry about the UAE's ties with Iran.
Retired General Charles Bolden gets high praise from those who've flown with him.
The compromise measure would mandate reductions in greenhouse-gas emissions and require greater use of renewable energy. The Senate could be a major stumbling block.
Only 30 percent of foreclosed homes are currently on the market nationwide. Could the backlog of hundreds of thousands of empty or rented homes swamp recovery?