Our call-out on Facebook for people to share their experiences of the health care system yielded close to 1,000 responses. From Oregon to Florida, respondents told wrenching tales of bankruptcies, medical errors, and treatment delayed or foregone because of cost.

The sophistication of congressional speech-making is on the decline, according to the open government group the Sunlight Foundation. Since 2005, the average grade level at which members of Congress speak has fallen by almost a full grade.

After the Arab Spring, Saudi rulers still have a firm hand on the country and its oil wealth. But in a country known for its restrictions, many people here are speaking openly about the need for democratic reform.

Mongolia is in the midst of a dramatic economic boom as huge mining operations look to reshape the country. Some predict Mongolia's GDP will double in a decade. But this economic overhaul could put further pressure on Mongolia's traditional way of life.

Those hoping to sway the presidential election with anonymous donations to non-profit political groups, could find their names made public this fall after a pair of court rulings backed public disclosure. There are, however, ways to work around that.

The proportion of 12- to 19-year-olds who report having diabetes or "prediabetes" increased from 9 percent in 1999 to 23 percent in 2008, according to a paper published in the journal Pediatrics. "This report really sounds the alarm," says one researcher.

Three out of four people who've been sick in the past year said cost is a very serious problem, and half said quality is a very serious problem. Those are among the striking findings from the latest survey on health from NPR, the Robert Wood Johnson Foundation and the Harvard School of Public Health.

World leaders are meeting with President Obama in his hometown of Chicago for a two-day NATO summit focused heavily on Afghanistan.

Not a lot is known about Kawasaki disease. It affects children under 4 and is more common in Asia, particularly Japan, but more than 4,000 American children contract it every year. One of its secrets may now be revealed, but it took climate researchers to help spot it.

Sunday is the first day of the NATO summit in Chicago. Weekends on All Things Considered host Guy Raz talks with the U.S. Ambassador to NATO, Ivo Daalder about the Alliance's future, and with Vijay Prashad, a professor of international studies at Trinity College, who argues NATO is bad for the world. We also hear reports on the kickoff of the summit from NPR's Jacki Northam and on the protests from Cheryl Corley.

More trouble for the prosecution in the perjury trial of baseball star pitcher Roger Clemens. He is charged with lying to Congress when he said he had never used performance-enhancing drugs. But under cross examination, the key witness has himself admitted to lying and the key evidence has been called into question. NPR's Nina Totenberg explains all to weekends on All Things Considered host Guy Raz.

Sergei Magnitsky was a tax lawyer for an investment fund in Russia that was seized by tax police who extracted more than $230 million in illegal refunds for themselves. Magnitsky decided to investigate, was arrested and later died in prison. Now, the government is bringing him to trial "to protect themselves," human rights groups say.

The former Libyan intelligence officer who was the only person ever convicted in the 1988 Lockerbie, Scotland, bombing has died, according to reports. He was 59.

Out West Sunday, it will start getting dark earlier than normal, but just for a little while. A major solar eclipse, although not quite total, will spread across the skies in a 200-mile swath from Oregon into west Texas. Longtime Washington, D.C., meteorologist Bob Ryan has traveled the world chasing eclipses with his wife. He joins host Rachel Martin.