There are bipartisan calls to hit the breaks as defense spending nears $1 trillion. Others say that amount is not enough to fund U.S. strategy worldwide.
The KC-46 was to be the ideal candidate for a fixed-price development program. Instead, it has cost Boeing billions, and made industry wary of such deals.
Section 702 allows the government to collect and review communications like emails and text messages of foreigners abroad. Critics say it's ripe for abuse.