Singer waves an emotionless goodbye to her hit song “Nothing compares to you,” telling fans they shouldn’t expect to hear it at future concerts. Why? CBSN’s Vladimir Duthiers and Meg Oliver explain. Source

Former GOP vice presidential nominee and ex-Alaska governor didn’t say when she tested positive but added that some other members of her family had, as well. Source

The Secret Service says an envelope addressed to the White House that arrived at an off-site mail facility Monday showed a “presumptive positive” for cyanide. Source

A former member of Kappa Delta Rho at Penn State told police about an invitation only Facebook page that featured images of women who were passed out or asleep, in various states of undress, some of them in sexual poses; and, it’s one of nature’s great mysteries: Why do penguins waddle? The question is getting some answers thanks to a research project taking place at the London Zoo. Source

A woman was sentenced to 70 lashes for insulting a Saudi man via the social media messaging app “WhatsApp.” Source

CBS News’ James Brown talks about 24-year-old NFL player Chris Borland’s decision to retire due to concussion concerns. Source

The former “Firefly” stars turn to Indiegogo to raise money for their new Web series. Source

The 75-year-old actor of “Walker Texas Ranger” fame formally endorsed Benjamin Netanyahu for Israeli prime minister. Source

Mitt Romney is getting back in the ring, this time to box fighting legend Evander Holyfield for charity. Source

Christian Bale and Joel Egertom appear in this deleted scene from Ridley Scott’s 2014 action-adventure film, “Exodus: Gods and Kings.” The new Blu-ray release features several deleted and extended scenes, along with commentary from Scott. Source