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KNOW IT ALL: Wednesday's Top 7 Stories at NBC News

Here's a look at today's top headlines.
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Good morning. Here are some of the stories we're following today:

1. North Korea Claims Successful Test of Hydrogen Bomb

It's a claim that, if true, would mark a huge jump in Kim Jong Un's quest to improve its still-limited nuclear arsenal. Read more in NEWS.

2. Small-Bore? Obama Actions on Guns Are Marginal Changes

For the most part, the president's actions do not change existing law or expand legal restrictions on gun buyers or sellers. NBC News Justice Correspondent Pete Williams explains. Read more in NEWS.

3. Is Ted Cruz a Natural Born Citizen? Ask the Founders

Donald Trump on Tuesday revived questions about Cruz's eligibility to become president, saying Republicans could be in a "very precarious" situation by selecting the Canadian-born conservative. The problem is, the Constitution does not define the term "natural born citizen." Read more in POLITICS.

4. 'I Need to Get Home': Oregon Occupiers Hint at Exit Plan

Four days into their occupation, the anti-government activists who took over a federal wildlife refuge in Oregon hinted on Tuesday that their days there might be numbered. Read more in NEWS.

5. Bad Boy: Strongest El Niño on Record Torments California

Back-to-back storms in the Pacific are threatening to douse parts of the West for more than two weeks, thanks to an El Niño weather system that is tied with the strongest ever on record. Read more in NEWS.

6. Gift Un-Giving: How to Win at 'National Returns Day'

Happy National Returns Day, when too-tight pants, misshapen sweaters and self-help books are most likely to be dispatched back from whence they came. Read more in BUSINESS.

7. Kepler Mission Has Uncovered a Trove of New Alien Planets

Kepler has now discovered more than 100 confirmed alien planets during its second-chance K2 mission, researchers announced Tuesday. Read more in TECH.

Nightly Spotlight

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