Military reprisal is justified, some analysts say. But initially the US is likely to take a diplomatic course, trying to further isolate Iran after its alleged role in an assassination plot on US soil.
A measure sponsored by Democrat Dennis Kucinich may give Republican lawmakers a way to express their growing dissatisfaction with Obama's military actions in Libya – but without criticizing the actions of US forces.
Amid new terror threats, US security officials say renewing key domestic spying provisions of the Patriot Act is critical to keep the US safe. Yet lawmakers are raising questions about the law.
American officials are concerned that Faisal Shahzad was trained by the Pakistan Taliban. That could mean that the terrorist group is attempting to expand its reach.
The Pentagon's 'Nuclear Posture Review' narrows the list of potential targets, reflecting new threats like global terrorism. But Obama reserves the US right to strike first with nuclear weapons.
President Obama has nominated Robert A. Harding, a retired two-star general with an Army intelligence background to lead the TSA, which is responsible for US airport security.
Privacy advocates had called for greater oversight on aspects of the Patriot Act that give the government broad powers. But the version Obama signed Saturday moved through Congress unchanged.
Many in the general aviation community urge regulators not to overreact to Thursday's crash.