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ICYMI: This Is the Nation's Happiest City

From cheerful cities to the amount of sleep you need and one pair helping wildfire victims, these are Nightly News’ most intriguing stories.
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When it comes to happiness, one city has more joy than all the others. From cheerful cities to the amount of sleep you need and one pair dedicated to helping Washington wildfire victims, these are Nightly News’ most intriguing stories of the week.

The Happiest Cities in America

Residents of Louisiana have a lot to smile about, according to a new study by researchers at Harvard University and the University of British Columbia. Find out which city was named the unhappiest in America.

You May Be Getting More Sleep Than You Realize

Most Americans say they don’t think they’re getting enough sleep, according to a recent poll by the National Sleep Foundation. Eight has long been touted by some experts as the magic number of sleep that adults need, but some intriguing new research suggests that may not be the case for everyone.

Helping Washington Wildfire Victims

At least 150 homes are gone in Washington after the largest wildfire in the state’s history devastated the region. A couple who lost its own home to the flames is among the many volunteers from across the country stepping up to help the needy.

Brian Williams Interviews Israeli Prime Minister Benjamin Netanyahu

Israeli Prime Minister Benjamin Netanyahu discussed the increasingly violent conflict in the Middle East, saying Israel had no choice but to defend itself against Hamas.

“What would you do if American cities, where you’re sitting now, Brian, would be rocketed, would absorb hundreds of rockets?” Netanyahu said. “You’d say to your leader, ‘A man’s got to do what a man’s got to do.’ And a country’s got to do what a country’s got to do. We have to defend ourselves.”

Watch the extended interview here.

Billy Crystal Reflects on ‘When Harry Met Sally’

It’s been 25 years since moviegoers met Harry Burns and Sally Albright, and it was love at first sight. The beloved romantic comedy gave us one of the most famous one-liners in Hollywood history – “I’ll have what she’s having,” and posed a question that’s as relevant in 2014 as it was in 1989: Can men and women just be friends? Billy Crystal sits down with NBC’s Kevin Tibbles to talk about why “When Harry Met Sally” still resonates with audiences today.