There's new information in the investigation of Secret Service misconduct involving prostitutes before President Obama's visit to South America last week. Audie Cornish talks to Ari Shapiro for more.

Sen. Susan Collins, R-Maine, has been briefed about the embarrassing incident by the director of the Secret Service.

The Obama administration and members of Congress are incensed about a prostitution scandal involving the Secret Service. The co-author of a book about the elite federal law enforcement agency says the president's security was never at risk. The agency's stellar reputation, however, is damaged.

The rocker told NRA members that he will either be "dead or in jail" next year if President Obama is re-elected. Nugent says that was not some sort of veiled threat.