Friday, Twitter agreed to pull racist tweets after a French organization threatened to sue. The company has resisted efforts to police its content. But hate speech is illegal in many European countries, and anti-hate groups there are grappling with how to deal with the challenge of social media.

By this point in the campaign season, the presidential polls may have your head spinning. Romney's up 7 points in one, Obama's up 3 in another ... and on any given day, a dozen other polls are swirling, each offering a different take.

What business would you tell a young person to go into these days? Plastics? Oooh, that can mean lots of regulations. Wind turbines? Solar panels? Who knows how long those may take to pay off? App development? How many Angry Birds does the world need?

Then what about superPACS? They're political-action committees that can spend unlimited amounts of money to laud, mock or bash any political candidate.

Fresh Air Weekend highlights some of the best interviews and reviews from past weeks, and new program elements specially paced for weekends. Our weekend show emphasizes interviews with writers, filmmakers, actors, and musicians, and often includes excerpts from live in-studio concerts. This week:

As the caseload of fungal meningitis linked to a tainted steroid drug climbs, experts are learning more about this human-made epidemic. The signs indicate that cases could still be emerging until Thanksgiving or beyond.

The latest count is 268 cases of meningitis and three patients with fungal joint infections, spread across 16 states from New Hampshire to Texas and Idaho to Florida. Twenty-one people have died.

Transcript

SCOTT SIMON, HOST:

Transcript

SCOTT SIMON, HOST:

This is WEEKEND EDITION, from NPR News. I'm Scott Simon. Time for sports.

(SOUNDBITE OF MUSIC)

SIMON: The San Francisco Giants live to play again, thanks to a pitcher thought to be past his prime. He was sure blue-ribbon last night. Lance Armstrong got a standing O last night but also heard from a few folks who might want their money back, just as major corporate sponsors might. And more NHL games are put on ice - or is that none are on the ice? NPR's Tom Goldman joins us. Morning, Tom.

TOM GOLDMAN, BYLINE: Hi, Scott.