As the nation prepares to mark Memorial Day, outrage has been building on Capitol Hill and beyond over the military's failure to repair a system that has placed service members in more danger of sexual assault than of battlefield injury.

The presidential salute actually breaks with military decorum and was started by Ronald Reagan in 1981.

The congressional hearings about the IRS's handling of Tea Party applications for tax-exempt status raise the question of why and how tax-exempt groups engage in politics in the first place.

President Obama banned enhanced interrogation techniques, but he's largely avoided discussing whether the tactic ever produced valuable information. He might not be able to avoid it forever: The CIA is preparing an official response to a report that concluded the techniques were worthless.

If President Obama's newly recalibrated counterterrorism strategy demonstrates anything, it is his penchant for nuance.

President Obama is once again calling for the prison at Guantanamo Bay to be shut down, even though new polls suggest most Americans want it to stay open. But the chorus of critics has gained one surprising member: former Guantanamo Chief Prosecutor Morris Davis. Host Michel Martin talks with Davis about why he now feels the facility should be closed.

In Massachusetts, what's been a relatively lackluster campaign to fill the U.S. Senate seat vacated by Secretary of State John Kerry is heating up. Veteran Democratic Rep. Ed Markey is running against Republican Gabriel Gomez, a businessman and former Navy SEAL. Gomez is a political newcomer.