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

From the third GOP debate to the Royals routing the Mets in Game 1 of the World Series, here are the stories we're following.
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Good morning. Here are some of the stories we're following today:

1. Key Differences to Watch for in GOP Debate on Economy

Jobs and the economy will be the focus of Wednesday night's "Your Money, Your Decision" Republican presidential debate hosted by CNBC. The candidates have divergent views on some critical issues, making this third GOP debate a pivotal forum where differences are likely to be on display. The two-hour showdown kicks off at 8 p.m. ET from Boulder, Colorado. Read more in POLITICS.

2. Sheriff to Decide Fate of South Carolina Deputy

Richland County Sheriff Leon Lott said his department's internal investigation should be completed by Wednesday, when he will announce Senior Deputy Ben Fields' future with the agency. Video of Fields slamming and dragging a female student in her chair at her high school went viral, prompting the Justice Department and FBI to investigate. Read more in NEWS.

3. Royals Edge Mets in Marathon World Series Opener

The longest ever World Series Game 1 — at 14 innings stretching over 5 hours and nine minutes — had just about everything for baseball fans: An inside-the-park home run, great plays, strange bounces and even a power failure. In the end, the Kansas City Royals edged the New York Mets 5-4. The Royals' upset also came as starting pitcher Edinson Volquez took the mound to pitch six innings without knowing that his father had just died. Game 2 starts at 8 p.m. ET Wednesday. Read more at NBC SPORTS.

4. Iraq Says It Didn't Ask for U.S. Ground Operations

The Iraqi government said Wednesday it didn't ask for — and doesn't need — the "direct action on the ground" promised by the Pentagon. The revelation came a day after Defense Secretary Ashton Carter said the U.S. may carry out more unilateral ground raids in Iraq to target ISIS militants. Read more in NEWS.

5. House Expected to Vote on Two-Year Budget Deal

Congressional leaders reached a tentative budget deal Tuesday with the White House in a breakthrough that would set government funding levels for the next two years and extend the nation's debt limit through 2017. The 144-page bipartisan funding bill set up a potential vote in the House as early as Wednesday. Read more in POLITICS.

6. Something Fishy About the Salmon on Your Plate?

That wild Alaskan salmon you ordered the last time you ate out might not be wild — or even from Alaska. That's the finding of a study by the conservation group Oceana, which says nearly half of the country's favorite fish may be mislabeled and priced too high in restaurants and stores when it's out of season. Read more in NEWS.

7. Toy Company Asks Judge to Dismiss Anchor’s Lawsuit

Hasbro Inc. asked a federal judge to dismiss a lawsuit by Fox News anchor Harris Faulkner, who wants the company to pay her $5 million because it made an inch-tall plastic toy hamster named "Harris Faulkner." Read more in NEWS.

Nightly Spotlight

A nonprofit is turning wheelchairs into chariots of dreams and allowing kids with muscle atrophy and other disabilities to join in the Halloween fun.