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

From the latest on the deadly crash in Las Vegas to a successful rocket launch, see some of the stories we're following today.
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Good morning. Here are some of the stories we're following today:

1. Donald Trump Launches Vulgar Attack on Hillary Clinton

At a rally in Michigan on Monday night, the Republican front-runner said the Democratic front-runner had gotten "schlonged" by President Barack Obama in the 2008 presidential election. He also said her bathroom break during Saturday's debate was "disgusting." Read more in NEWS.

2. No Indictments in Jail Death of Sandra Bland

A grand jury concluded Monday that it would issue no indictments in the case of Sandra Bland, who was found dead in a Texas jail cell on July 13 and whose arrest sparked accusations of excessive force by police. Authorities in Texas described her death as a suicide, but her family has remained skeptical of that account. Read more in NEWS.

3. Suspect in Deadly Las Vegas Crash Held Without Bond

Lakeisha Nicole Holloway, 24, who plowed into pedestrians on the Strip on Sunday, killing one person and injuring dozens of others, was held without bond in the Clark County Detention Center. She is likely to be charged with murder with a deadly weapon and other charges at her formal bail hearing Tuesday morning. Read more in NEWS.

4. NYC Cop One of Six Americans Killed in Afghanistan Blast

Joseph Lemm, a New York police detective who had been deployed to Afghanistan and Iraq three times, was one of six Americans killed when a suicide bomber blew himself up in a Western convoy in Afghanistan on Monday. U.S. officials have blamed the attack on the Taliban. Read more in NEWS.

5. SpaceX Makes History With First-Ever Vertical Landing

SpaceX completed an historic vertical landing of its Falcon 9 rocket on Monday night — the first time such a feat had been achieved. The launch and landing in Cape Canaveral, Florida, were the first from the private U.S. spaceflight company since its rocket exploded on liftoff in June. Read more in SCIENCE.

6. Bill Cosby Sues Supermodel Accuser For Defamation

The comedian sued supermodel Beverly Johnson for defamation on Monday, saying her claim that he drugged and attempted to sexually assault her in the 1980s has been shared in an effort to relaunch her career. More than 50 women have accused Cosby of sexual assault or harassment. Cosby has not been charged with a crime. Read more in NEWS.

7. More Than 1 Million Migrants Entered Europe This Year

The International Organization for Migration said Tuesday that more than 1 million migrants and refugees have crossed into Europe this year. The staggering number is up four-fold from last year. Read more in NEWS.

Nightly Spotlight: Homeless Men’s Choir Visits White House

This choir made up of homeless men, who society often sees as voiceless, is finding song in their hearts along with a coveted choral performance at the White House.

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