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

Image:A young girl relaxes as Republican Presidential candidate Ted Cruz speaks

A young girl relaxes as Ted Cruz speaks at a rally in Reno, Nevada on Feb. 22. JAMES GLOVER / Reuters

Good morning. Here are some of the headlines we're following this morning:

1. Donald Trump Wins Big in Nevada as Super Tuesday Looms

Donald Trump was projected to win the Nevada caucuses by a near-landslide early Wednesday, his third straight victory with high-stakes "Super Tuesday" just days away. “We weren’t expected to win too much and now we’re winning, winning, winning,” Trump said at his victory rally late Tuesday. “And soon the country is going to start winning, winning, winning.” Read more in POLITICS.

2. Tornado Turns Florida City Into 'War Zone,' Others Expected

More dangerous tornadoes were forecast from Florida up to the Mid-Atlantic on Wednesday, part of a storm system that earlier killed at least three people, destroyed homes and left tens of thousands without power. Read more in NEWS.

'Particularly Dangerous Situation' as Tornadoes Hit the South 3:20

3. McConnell: 'There Will Not Be Action Taken' On SCOTUS Pick

Senate Majority Leader Mitch McConnell on Tuesday flatly rejected any person President Barack Obama nominates to the Supreme Court following the death of Justice Antonin Scalia, saying the voters should decide. Read more in POLITICS.

4. Teen Girl Rescued From ISIS: 'It Was a Really Hard Life'

A Swedish teenager rescued from ISIS said life under the militants was "really hard" and that she was duped into going there by her boyfriend. In her first interview since Kurdish special forces recovered her in northern Iraq, the 16-year old told a Kurdish TV channel she had met her boyfriend in mid-2014 after dropping out of school in Sweden. Read more in NEWS.

5. Who Are the Detainees Left at Guantanamo Bay?

The number of detainees held at the U.S. prison at Guantanamo Bay, Cuba, has slowly shrunk from hundreds to the current count of 91. All would be transferred somewhere else under President Obama's plan to close the facility. Here's a look at some. Read more in NEWS.

Guantanamo Bay Detainees, By the Numbers 1:30

6. Mom Who Threw Autistic Son off Bridge Gets Life

An Oregon woman who threw her 6-year-old autistic son off a bridge to his death pleaded guilty and was sentenced to life — as prosecutors accused her of a diabolical scheme to fake mental illness and get off with an insanity defense. Read more in NEWS.

7. Teen Shot by Uber Driver 'Fighting For Her Life'

The 14-year-old girl critically injured when an Uber driver went on a shooting spree in Kalamazoo, Michigan, over the weekend, is "fighting for her life," her family said Tuesday. Abigail Kopf was shot Saturday night at a Cracker Barrel, the last of three sites where Jason Brian Dalton allegedly opened fire at random. Read more in NEWS.

8. American Girl Introduces New Civil Rights Era Doll

Meet Melody Ellison, a young African American girl who is described as a “hopeful and positive" 9-year-old growing up in Detroit, Michigan during the Civil Rights Movement in the 1960s. Melody enjoys singing and joining her voice in harmony with others.

The newest doll in American Girl's BeForever line is Melody, an African American girl with a story set in civil rights era Detroit. American Girl