Sit back and enjoy a video that will probably give you a chuckle, then might make you fume.

Just as they promised they would on Super Tuesday evening, Mitt Romney's campaign aides spent Wednesday explaining why their boss' rivals can't possibly win the Republican presidential nomination and how they're only helping President Obama by not accepting the inevitable and leaving the race.

There was nothing subtle about the title on Romney political director Rich Beeson's memo: "Our Opponents' Last Stand: A Postmortem."

The viruses, spam and malware that have plagued desktop computers for years now increasingly threaten mobile smartphones, as well. More text messages now deliver scams and a growing number of malicious apps install spyware, target personal information and attempt to charge users hidden fees.

Overcrowded prisons already coping with budget pressures face a new challenge: The growing needs of an aging inmate population. With limited state budgets, prison setups, and facilities, prison officials are trying new ways to provide care and, in some cases, opting to release inmates early.

Talk of the Nation listeners wrote to the show to share their insights on previous show topics, including genetic testing, affirmative action, the source and practice of patience, and interracial marriage.

Mitt Romney eked out a victory in Ohio's Super Tuesday primary. It was the closest of ten races, and the most closely watched. Rick Santorum came in second. Newt Gingrich took his home state of Georgia, Romney won six in all, and Santorum kept his campaign alive by winning three.

Hospital administrators have to deal with Medicare and Medicaid almost every day.

Not too many have to deal with Mom at the same time.

But Matt Tavenner does.

Marilyn Tavenner is the acting administrator of the Centers for Medicare and Medicaid Services. Matt, assistant administrator at Jackson Purchase Medical Center in Mayfield, Ky., is her son.