On-Air Challenge: For each category, name something in the category starting with each of the letters in the word "trail." For example, if the category were "books of the Bible," you might say Timothy, Ruth, Amos, Isaiah and Leviticus.

Any answer that works is correct. And you can give the answers in any order.

When you look at Batman with a coldly analytical eye — and he's hard to avoid these days, with The Dark Knight Rises set to come out Friday — a few things stand out as potential red flags: the secrecy, the lair, the attraction to danger, the blithe self-sacrifice, the ... cape.

It's unusual, all of it, you have to admit. Sure, he's handy to have around in an emergency, and you can't beat a fella who can be summoned with a giant light in the sky in the event you've got no cellphone reception.

But is he entirely ... well?

Transcript

(SOUNDBITE OF MUSIC)

GUY RAZ, HOST:

It's WEEKENDS on ALL THINGS CONSIDERED from NPR News. I'm Guy Raz.

MITT ROMNEY: I had no role whatsoever in the management of Bain Capital after February of 1999.

PRESIDENT BARACK OBAMA: I think most Americans figure if you're the chairman, CEO and president of a company that you are responsible for what that company does.

ROMNEY: That's ridiculous and disturbing to come from their campaign and beneath the dignity of the president.

Marcia Esters needs crowns fused to six of her bottom teeth and new dentures. But because of changes made to Medicaid in Pennsylvania, she now has to pay for it all herself.

"It's thousands of dollars' worth of work that I cannot afford," she says.

Esters also uses a wheelchair. Because she couldn't get get her teeth fixed, she has spent the last few months eating pureed food and avoiding people.

"I don't go anywhere unless I have to," she says. "If you could look or feel halfway decent, it just helps, it really does."

United Nations observers have entered the Syrian town of Tremseh to investigate an attack reported to be the bloodiest so far since the uprising against President Bashar Assad.

The details of the incident are unclear, as The Associated Press reports: