North Korea is the most secretive country in the world: mysterious and menacing in its pursuit of nuclear weapons. Victor Cha, a former member of the National Security Council, has a new book, The Impossible State: North Korea, Past And Future. Host Scott Simon talks with Cha about this week's events on the Korean Peninsula.

After months of upsets and indecisive results, there were signs this week that the battle for the 2012 Republican presidential nomination may be entering its final stages. Mitt Romney has a huge lead in delegates, and some big endorsements are rolling in. Host Scott Simon talks with NPR's Don Gonyea in Wisconsin, which has a primary Tuesday.

The United Nations says President Bashar Assad's forces have killed more than 9,000 people during the year-long popular revolt. Now, the plight of Syria's children has captured attention. Host Scott Simon talks with Navi Pillay, the United Nations high commissioner for human rights, who is one of the most prominent voices calling for their protection.

Host Scott Simon notes that the Quaker on the cover of the Quaker Oats box has gotten a makeover.

Until recently, "Obamacare" was a word mostly used by opponents of President Obama's health care law. Now, supporters of the law are attempting to claim it as their own.

During the three days of health care hearings, protesters outside of the Supreme Court in favor of the law returned to one chant more than any other: "We love Obamacare."

Just two months ago, Aviela Deitch was proud to show off what residents had built on the hilltop outpost of Migron, just a few miles away from the Palestinian city of Ramallah in the West Bank.

At that time, the Israeli Supreme Court had already ruled that Migron was sitting on private Palestinian property and had ordered Migron settlers to evacuate.

A government advisory committee has reconsidered its advice to keep certain details of bird flu experiments secret.

Revised versions of manuscripts that describe two recent studies can be openly published, the committee now says. The decision could help end a contentious debate that has raged within the scientific community for months.

In response, the editors of two journals immediately said they planned to publish the research soon.

Call it the tempest in the Frappuccino. Some Starbucks patrons have been distressed to learn that the chain's Strawberry and Creme Frappuccino owes its pink coloring to crushed insects.

The coloring in question, cochineal, is made from a tiny white insect, Dactylopius coccus. When crushed, its body exudes a brilliant red color. Cochineal has been used as a coloring for foods and makeup for centuries.

Less than a year after he was hired, Current TV said it was ending its contract with lead anchor Keith Olbermann. Former New York Gov. Eliot Spitzer, who had an ill-fated run on CNN, will replace him.

Current announced the move in an open letter to its viewers from Al Gore and Joel Hyatt, Current's founders.

The letter reads in part: