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

From campaigns to cargo holds, see the stories we're following today.
/ Source: NBC News

Good morning. Here are some of the stories we’re following today:

1. Deputy who used gun instead of Taser charged with manslaughter

Robert Charles Bates, the Oklahoma reserve sheriff's deputy who was captured on video shooting an unarmed black man, was charged Monday with second-degree murder. Bates, 73, an insurance agent who had served as a reserve deputy since 2008, thought he was using a Taser on Eric Harris during the April 2 foot chase — but shot him with a gun instead, sheriff's office investigators have said. Read more in NEWS.

2. Boko Haram terror unabated a year after #BringBackOurGirls

While a few dozen of the Chibok schoolgirls have escaped Boko Haram captivity, more than 200 are still missing a year after their kidnappings sparked global outrage. Experts say many other people have been kidnapped by the Boko Haram since last year, and the group's campaign of terror has continued largely unabated. Read more in NEWS.

3. Hillary Clinton’s first campaign stop? Chipotle

Hillary Clinton wasted no time hitting the road Sunday after officially announcing her presidential bid. While traveling in a van from her home in Chappaqua, New York, to Iowa, Clinton made a stop for some Mexican fast food Monday at a Chipotle in Ohio. Staff said she did not introduce herself, but some customers stopped to chat with her. Read more in POLITICS.

Former Secretary of State Hillary Clinton is seen in survelliance footage from a Chipotle restaurant.Chipotle

4. Marco Rubio joins the presidential race

Florida Senator Marco Rubio began his presidential run from Miami on Monday by declaring "yesterday is over" and pledging to lead the country into a "new American century" of prosperity. Rubio is the third Republican, following fellow Senators Ted Cruz of Texas and Rand Paul of Kentucky, to officially announce his plans to run for the White House. Read more in POLITICS.

5. Kerry briefs lawmakers on Iran deal

Secretary of State John Kerry held closed-door meetings about the Iran nuclear deal with members of the House on Monday and will do the same with members of the Senate on Tuesday. Kerry's visit to the Hill is designed to help shore up congressional support for an Obama administration-backed proposal intended to curb Iran's nuclear ambitions. The meetings will be followed by a hearing to finalize a bill that would require Congress to approve any Iran nuclear deal before Congressional sanctions in Iran are lifted. Read more in NEWS.

6. Four Blackwater guards sentenced for 2007 Iraq attack

One former Blackwater security guard got life in prison Monday, and three others were sentenced to 30 years for their roles in a Baghdad firefight that left 14 Iraqis dead and 17 others injured in 2007. A federal jury in Washington, D.C., convicted Nicholas Slatten of first-degree murder and the three other guards — Paul Slough, Evan Liberty and Dustin Heard — of voluntary manslaughter in October. Read more in NEWS.

7. Worker gets trapped in plane’s cargo hold during flight

An Alaska Airlines flight made an emergency landing Monday after the pilot heard banging and shouting coming from inside the aircraft. A ramp worker had apparently fallen asleep in the plane's cargo hold and didn't wake up until after take-off. The worker was hospitalized but expected to be okay. Read more in NEWS.

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