NPR News

Separate appearances Friday by President Obama and Rep. Paul Ryan before an AARP meeting in New Orleans proved that the third rail of American politics, Medicare and Social Security collectively, is still very much electrified.

Speaking to a supremely friendly audience via live video feed from Virginia, where he was campaigning, Obama drew repeated applause and cheers with promises to defend Medicare and Social Security from Republican proposals that he said threaten the entitlement programs' ability to deliver the kind of benefits seniors have become accustomed to.

One hundred ten chimpanzees will retire from biomedical research, the National Institutes of Health announced today. The move comes as some groups are pushing for a ban on all medical chimp research.

The NIH has been reviewing its chimp research since December. That's when a report from the Institute of Medicine said that there was almost no scientific need for doing biomedical research on chimps.

Republican dreams of taking control of the U.S. Senate in November have been declared all but dead over the past several days by prognosticators pointing to trouble facing the party in unexpected places.

Missouri and Indiana come to mind.

But don't count Senate race analyst Jennifer Duffy among them.

"I'm not ready to call this done and over," Duffy said of the GOP's push to pick up four seats, which would definitely tip the Senate balance of power. "We seem to be in some period of transition. Whether it's permanent or not, we'll know in a couple weeks."

The Obama administration has named Chimney Rock, in Colorado as a new national monument. The ancient people who lived there were a little bit like modern Americans — they had an elite class and a 99 percent just like us.

For the past year and a half, every Friday in Syria has been given a name. That's because every Friday, people protest against the government, and those protests get a title. This week's title? "Syrian sons and daughters of the Prophet Mohammed are being slaughtered." In other words: "To all you Muslims who are angry about the denigration of the Prophet Mohammed in some YouTube film? Don't forget about us."