Nora Ephron brought us two of the most indelible scenes in contemporary cinema — and they're startlingly different.

There's the infamous "Silkwood shower," from the 1983 movie, with Meryl Streep as a terrified worker at a nuclear power plant, being frantically scrubbed after exposure to radiation.

Then there's the scene in which Meg Ryan drives home a point to Billy Crystal at Katz's Deli, in 1989's When Harry Met Sally. You know — the one that ends with "I'll have what she's having."

Framed in my library is a sketch that LeRoy Neiman dashed off of me on the back of a menu, when he was watching me speak several years ago. LeRoy, who died the other day, was somewhat better known for another sketch, the "nymphette" that has appeared in Playboy since 1955 — but, of course, he's ever famous for simply being our most celebrated sports artist.

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MELISSA BLOCK, HOST:

The writer Nora Ephron has died. Over the course of six decades, she chronicled the lives of women in newsprint, in books, on the stage and on screen. She was 71 years old, and died of complications from a blood disorder. She's best known for romantic comedies such as "Sleepless in Seattle" and "When Harry Met Sally," but she also brought to the big screen Karen Silkwood and Julia Child.

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MELISSA BLOCK, HOST:

At long last, big-time college football has a playoff, if you want to call four teams a playoff. Today, a committee of university presidents agreed to a system that replaces the current Bowl Championship Series beginning in 2014.

NPR's sports correspondent Tom Goldman joins me now. And, Tom, this is something that college football fans have wanted for years. President Obama has said he wants this championship game. What do you know about the deal?

Two big pieces of news in Mexico's presidential race today:

-- A new poll finds that the PRI's Enrique Peña Nieto has maintained a big lead over his rivals Andrés Manuel López Obrador and Josefina Vázquez Mota. The election is this Sunday and a few polls before this one showed Obrador had narrowed the gap.

The college football champion will be decided by a playoff beginning after the 2014 season.

The AP reports:

"Come 2014, the BCS is dead. A committee of university presidents on Tuesday approved the BCS commissioners' plan for a four-team playoff to start in the 2014 season.

Relationships are never easy.

If the partners in love happen to be living in a nursing home, there are even more challenges. And if they're showing signs of dementia, then things get really tricky.

Although no law forbids intimate relationships between people with dementia in nursing homes, staff and family members often discourage residents from expressing their sexuality, says a recent report in the Journal of Medical Ethics.