The complexity, scale and sliding timetable for implementation of the federal health overhaul make it tough to figure out exactly what's happened so far. To help you sort through some key provisions, here's a scorecard.

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In effort to add pressure on Syrian President Bashar Assad, the European Union has announced new sanctions on a dozen Syrians, including Assad's wife, his mother, sister and sister-in-law.

"I cannot say to you in strong enough terms how much we are concerned about what's going on in Syria," said Catherine Ashton, the EU's foreign policy chief, according to CNN. "I'm really worried about the escalating spiral of violence there.

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DAVID GREENE, HOST:

The White House has made its choice for who should lead the World Bank. Jim Yong Kim is currently the president of Dartmouth University. He's a physician and a global health expert and something of a surprise to people who've been watching this process.

Here is President Obama at the White House this morning.

Next week, the Supreme Court will hear challenges to the health care law. Continuing Tell Me More's preview of the case, host Michel Martin sits down with Neal Katyal. He is former Acting Solicitor General and defended the Affordable Care Act in lower courts.

On Morning Edition this week we looked at "What's Making Americans Less Thirsty for Gasoline?"

Now let's examine another important question: "If our demand for gasoline is falling, why are prices in the U.S. rising?"

Mitt Romney has an impressive victory in Illinois, gets Jeb Bush's backing, revives the inevitability argument and then gets bogged down in an Etch A Sketch distraction. Plus: Illinois primary results, and Barbara Mikulski breaks a record. NPR's Ken Rudin and Ron Elving have this week's political roundup.

Martin Killgallon, marketing director for Ohio Arts, we salute you:

"We have a left knob and a right knob," he said of his company's Etch A Sketch, The Associated Press reports, "so we neutrally speak to both parties."

There's a new explanation for why the citizens of Clintonville, Wis., have been hearing booms this week:

There was a 0.9 percent drop in sales of existing homes in February from January, the National Association of Realtors reports. But, at an annualized rate of 4.59 million they were still up 8.8 percent from February 2011.

"The market is trending up unevenly," NAR chief economist Lawarence Yun concludes in a statement from the association.

President Obama will nominate Dartmouth College president, Jim Yong Kim, to head the World Bank. A physician and anthropologist by training and global-health expert, Kim's background makes him an out-of-the-box choice. He would become the first Asian American to head the important international funding organization.