Why the surge of women candidates may not change the Capitol

The N.Y. Times' Kate Zernike and Denise Lu explain why this year's 476 female House candidates have a tough road ahead.

The issue: "More than half the female candidates for House and Senate seats are challenging incumbents, who historically almost always win; there were far more wide-open races in 1992’s so-called Year of the Woman, which doubled the number of women in Congress."

• "A large percentage of the women now running for open seats are in districts that favor the other party."
• "And many female candidates are clustered in the same districts, meaning many will be eliminated in this spring and summer’s primaries."
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