Worries about a slowing world economy took its toll on the markets today: At close, the Dow was down 250.82 points or 2 percent. Standard & Poors was down 2.2 percent and Nasdaq was down 2.4 percent.

That was the worst drop in three weeks and the second worst drop of the year.

The Wall Street Journal reports:

It almost certainly won't solve the European sovereign debt crisis. But the way it's being framed, tomorrow's European Championship quarterfinal is starting to sound like its next chapter: Greece vs. Germany; austerity vs. stimulus; intact eurozone vs. one without Greece.

The Wall Street Journal reports that some have dubbed the game a "debt derby" that pits "the euro zone's most cash-strapped nation against its Teutonic task- and paymaster." The Journal adds:

To hear Florida Sen. Marco Rubio tell it, it's happenstance that his newly published memoir, An American Son, became available just as the speculation about Republican vice presidential possibilities is heating up.

Rubio, a rising Cuban-American star in his party, told NPR's Robert Siegel, co-host of All Things Considered, in a Thursday interview:

Republican presidential candidate Mitt Romney softened his tough primary-campaign tone on immigration, if not his positions, during a speech Thursday to national Hispanic leaders.

In comments to thousands gathered at the National Association of Latino Elected and Appointed Officials in Orlando, Fla., the former Massachusetts governor criticized President Obama's failure to take action on comprehensive immigration reform.

Iran's intelligence minister says his country has uncovered a "massive cyber attack" he says was launched by the United States, England and Israel to coincide with nuclear negotiations that happened in Moscow.

Press TV, Iran's official, English-language news outlet, reports that Heidar Moslehi said Iran had "taken necessary measures" to protect itself against the attack.

Moslehi added:

Anyone and everyone can now look in the journal Science and read about how to make lab-altered bird flu viruses that have been at the center of a controversy that's raged for months.

But in the eyes of some critics, the details of these experiments are effectively the recipe for a dangerous flu pandemic.

All Things Considered continues its "Mom and Dad's Record Collection" series with singer Santi White, who's best known by her stage name, Santigold.

White says her father steered her artistic development by introducing her to the music of Nigerian Afrobeat pioneer Fela Kuti at a young age.