EVERYONE'S TALKING

• Your ticket to the MPW Summit. The Fortune Most Powerful Women Summit takes place all day today in Washington, D.C. Watch the livestream, starting at 9:05 am ET at Fortune.com. Today's speaker lineup includes Warren Buffett, IBM CEO Ginni Rometty, GM chief Mary Barra and Fox News anchor Megyn Kelly. Michelle Obama takes the stage at 6:30 pm to talk about her personal power crusade: a new initiative to help educate girls around the world. Fortune

NEWS FROM THE FORTUNE MPW SUMMIT

• Gillibrand bets on Biden. Sen. Kirsten Gillibrand (D-NY) thinks Joe Biden will run for president. "He's a champion, and he wants to fight for... his goals for America," she told Fortune's Leigh Gallagher at the MPW Summit. And while Gillibrand is a vocal Hillary Clinton supporter, she noted that Biden is a wonderful public servant and welcomed him into the race.  Read more

• Couric's career stumble. "I apparently can't keep a job,"Yahoo Global News Anchor Katie Couric told Fortune's Pattie Sellers at the MPW Summit, as she described her path from NBC to CBS to ABC to Yahoo. When she went to CBS to anchor the evening news in 2006, she was asked to "shake things up," but, she realizes now, she ended up shocking the older audience. "It was too much, too soon." Read more

• Losing is for winners. Rep. Elise Stefanik (R-NY), the youngest woman ever to be elected to Congress, took her seat in the House at age 30. Her key to winning? "I was okay with losing," she told the Fortune MPW audience. Read more

• Erdoes on the economy. Mary Erdoes, the CEO of JP Morgan Asset Management, isn't worried about the U.S. economy. It's "never really been in better shape," she said during a panel discussion at the Summit. Read more

• Intro to introverts. To be successful, every company needs a balance of extroverts and introverts. The corporate world favors the former—so how do we tap into the power of the latter? Susan Cain, entrepreneur and author of Quiet: The Power of Introverts in a World That Can’t Stop Talking, shared her insights. Read more

• Uber fast fintech? Fintech companies are aiming to be like Uber. Why? Because they strive for speed, industry disruption, and global reach, according to an MPW panel of fintech entrepreneurs, which included LearnVest founder and CEO Alexa von Tobel.  Read more

ALSO IN THE HEADLINES

• Hillary vs. Bernie. In tonight's Democratic presidential debate, Hillary Clinton confronts Bernie Sanders, who is behind her in the national polls, but who has been gaining traction in recent months. Her challenge will be highlight her policy agenda, reassure Democrats and get them excited about her again. WSJ

• Mary takes on the Valley. GM CEO Mary Barra says the automaker will go head to head with Google and Apple in developing self-driving cars and investing in other urban-mobility initiatives. USA Today

• Money honeys. While female-focused financial advice services—such as Ellevest, the platform recently announced by Sallie Krawcheck—may sound like a great idea, columnist Helaine Olen argues in Slate that such offerings have fundamental flaws. Slate

• Nobel gender gap. Two women won Nobel Prizes this year, but is that a lot or a little? Three charts put this year's awards into perspective, and paint a not-so-pretty picture of the gender gap between male and female Nobel winners. Fortune

• Beautiful breakup. YouTube star Michelle Phan and L'Oréal USA have ended their partnership after two years. The beauty product line never met L'Oréal's sales expectations. WWD

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ON MY RADAR

Uber sued by two women who say they were sexually assaulted  Re/Code

Lisa Jaster, 37, the last remaining woman in Ranger School, is likely to graduate Washington Post

A very revealing conversation with Rihanna  New York Times

Malala may choose Stanford over Oxford—mainly because of sunshine  Quartz

QUOTE

Nothing replaces hard work. Women have different challenges. You have to be willing to put in the hours and work harder.

Rep. Elise Stefanik (R-NY), the youngest woman ever to be elected to Congress, speaking at last night's <em>Fortune </em>MPW Summit