Audie Cornish speaks with Gregory Zuckerman about one of the men behind JPMorgan Chase's $2 billion loss. He's a special writer for The Wall Street Journal and author of The Greatest Trade Ever.

Call your mom. Buy her a present. Give her a big hug and kiss. (And don't forget the mother of your children.)

To all our mom readers, Happy Mother's Day!

We'll leave you with a link to a great piece from Bloomberg, which takes us back to the somber beginnings of the holiday. Bloomberg writes in part:

Transcript

PETER SAGAL, HOST:

Coming up, it's Lightning Fill in the Blank. But first it's the game where you have to listen for the rhyme. If you'd like to play on air, call or leave a message at 1-888-Wait-Wait. That's 1-888-924-8924, or you can click the contact us link at our website waitwait.npr.org.

There you can find out about attending our weekly live shows here at the Chase Bank Auditorium in Chicago and our upcoming shows in Cleveland, Ohio and Portland, Maine. Tickets for those shows go on sale this week. Hi, you're on WAIT WAIT...DON'T TELL ME!

Transcript

CARL KASELL: From NPR and WBEZ-Chicago, this is WAIT WAIT...DON'T TELL ME!, the NPR News quiz. I'm Carl Kasell. We're playing this week with Tom Bodett, Amy Dickinson and Mo Rocca. And, here again is your host, at the Chase Bank Auditorium in downtown Chicago, Peter Sagal.

PETER SAGAL, HOST:

Thank you, Carl.

(SOUNDBITE OF APPLAUSE)

Transcript

PETER SAGAL, HOST:

Now, panel, what surprise will Biden blow next? Tom Bodett?

TOM BODETT: He gets out over his skis on this Mother's Day thing and tells Michelle she's just going to love the necklace Barack and the girls got her for Sunday.

(SOUNDBITE OF LAUGHTER)

SAGAL: Amy Dickinson?

AMY DICKINSON: Next week at the John Edwards trial, Joe Biden will reveal that he is really the father of Rielle Hunter's child.

(SOUNDBITE OF LAUGHTER)

SAGAL: And Mo Rocca?

Transcript

PETER SAGAL, HOST:

Now, on to our final game, Lightning Fill in the Blank. Each of our players will have 60 seconds in which to answer as many fill in the blank questions as he or she can. Each correct answer is worth two points. Carl, can you give us the scores?

CARL KASELL: Tom Bodett has the lead, Peter. He has four points. Amy Dickinson has three. Mo Rocca has two.

SAGAL: Mo, you're in third place. You're up first. The clock will start when I begin your first question. Fill in the blank.

Transcript

CARL KASELL: From NPR and WBEZ-Chicago, this is WAIT WAIT...DON'T TELL ME!, the NPR News quiz. I'm Carl Kasell. We're playing his week with Mo Rocca, Tom Bodett and Amy Dickinson. And, here again is your host, at the Chase Bank Auditorium in downtown Chicago, Peter Sagal.

PETER SAGAL, HOST:

Thank you, Carl. Thank you everybody.

(SOUNDBITE OF APPLAUSE)

SAGAL: It is, of course, time again for the WAIT WAIT...DON'T TELL ME! Bluff the Listener game. Call 1-888-Wait-Wait to play our game on the air. Hi, you're on WAIT WAIT...DON'T TELL ME!

Transcript

PETER SAGAL, HOST:

We want to remind everybody they can join us here most weeks at the Chase Bank Auditorium in downtown Chicago. For tickets and more information go to wbez.org, or you can find a link at our website, waitwait.npr.org. Right now, panel, time for you to answer some questions about the week's news, of course.

Mo, interesting study this week about climate change. Some scientists are suggesting that 150 million years ago, what contributed to global warming?

MO ROCCA: Sort of gassy dinosaurs.

SAGAL: Yes, that's exactly right.