It's sounds like a story from the past: A Latin American leader announces plans to nationalize a large foreign company, touching off a high-stakes battle that involves money, politics and diplomacy.

Yet it's happening right now. Argentina's President Cristina Fernandez said this week that her country plans to take over a giant Spanish oil company at a time when the economies in both countries are facing challenges.

Spanish officials are threatening to retaliate against Argentina for seizing a majority of shares in the biggest oil company in Argentina, YPF.

Alabama is near the bottom of the country's academic rankings. The state has problems with test scores, school improvement ratings and dropouts. But the district in Birmingham has a different kind of issue. The state recently took over the school board because of infighting on the board. The move has triggered cries of racism.

More than 100 million viewers around the world are expected to tune-in to watch a Grand Prix race in the Persian Gulf nation of Bahrain this weekend. The same race was cancelled there last year for safety reasons, amid Arab Spring protests and police crack downs. While turmoil still exists, ESPN senior writer Ryan McGee tells Audie Cornish this year's race will likely go on, but it won't be without controversy.

The nation's oldest ball park is turning 100. Boston's Fenway Park has been home to the Red Sox through some of baseball's greatest highs and most heartbreaking lows. The park also narrowly escaped the fate of similar old stadiums that were torn down.

The American College of Physicians is urging patients with newly diagnosed diabetes and back pain not to opt for the latest-and-supposedly-greatest.

It's part of a new campaign to steer patients (and their doctors) to what the College of Physicians calls "high value care," and away from expensive tests and treatments that aren't any better — and often are worse.

Oy, the things daters have to worry about these days. Not just how to dress, act and turn "no" into "go," but how not to become a chirp-chirp girl.

When you tear open a bag of prewashed salad greens, do you worry that this superhealthful fast food could actually make you sick?

The companies that sold you that salad do worry about it. Because no matter how much they try to keep dangerous microbes out of that bag, they can't seem to guarantee that they've caught every one.

This week, for instance, Dole Foods recalled thousands of bags of lettuce after a few leaves from one of those bags turned up positive for Salmonella bacteria.

Yum Brands, the company that owns Taco Bell and Pizza Hut, says it's the latest corporation to break ties with the American Legislative Exchange Council — a group that brings state lawmakers and corporate lobbyists together to write legislation.

Liberal groups are pressuring corporations to abandon ALEC, and a dozen companies have now dropped out.

This week, ALEC did some damage control. It said it is shutting down its task force on public safety and elections, which wrote controversial measures on voter ID, "stand your ground" and immigration reform.

Mitt Romney spoke at a shuttered factory in Lorain County, Ohio, Thursday. He was giving a response to President Obama, who spoke in the same county a day before. Romney blamed the president for failing to turn around the economy and re-open the factory. Ari Shapiro tells Melissa Block Ohio is once again expected to be a battleground state.

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MELISSA BLOCK, HOST:

The Vatican has clamped down on the largest group of Catholic nuns in the U.S., citing what it calls grave concerns about serious doctrinal problems. The Holy See says the Leadership Conference of Women Religious, or LCWR, has promoted radical feminist themes incompatible with the Catholic faith in some programs. And it has named an archbishop to oversee the nuns and approve their work. In a statement, the LCWR says it is stunned by the Vatican's conclusions and will prepare a response.