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

From a U.S. drone strike that killed two al Qaeda hostages to David Petraeus avoiding jail, see the stories we're following today.
/ Source: NBC News

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

1. Baltimore streets quiet after first night of curfew

The city's streets were relatively quiet early Wednesday morning after the first night of a curfew that saw only limited resistance compared with the chaos Monday night. But as National Guardsmen helped to keep watch, the night was not without incident: Officers responded with pepper balls to a clash with protesters, some of whom were throwing objects, according to police. Read more in NEWS.

2. Supreme Court appears divided on same-sex marriage

Historic arguments over same-sex marriage got underway before the high court on Tuesday, with justices drilling lawyers on opposing sides regarding the power of states to prohibit gay unions. While liberal justices said states need a more compelling reason to deny same-sex marriage licenses, Justice Anthony Kennedy — considered a swing vote — pointed out that for centuries marriage was understood as between a man and a woman. Read more in NEWS.

3. Justices weigh lethal injection drug legality

The Supreme Court on Wednesday will hear arguments from a death-row prisoner's challenge to Oklahoma's lethal injection protocol in a case that could have repercussions across the country. At issue is the sedative midazolam and the question of whether it puts condemned inmates into a coma-like state that protects them from the kind of pain that would violate the Eighth Amendment restriction on cruel and unusual punishment. Read more in NEWS.

4. Earthquake aftermath leaves Nepal in cholera scare

The powerful quake that killed more than 5,000 people has set the stage for a potential cholera crisis in Nepal — the same country that unwittingly exported the devastating disease to Haiti after its similar disaster five years ago. The World Health Organization, however, says it has no reports of cholera in Nepal right now and is focused on traumatic injuries from the 7.8-magnitude jolt that left swaths of Kathmandu and remote areas outside the capital in rubble. Read more in HEALTH.

5. Survivors of Colorado theater shooting recount horror

On the second day of the trial against admitted gunman James Holmes, survivors of the 2012 massacre in Aurora described how they scrambled for cover and watched as loved ones were ambushed in the shooting spree. But repeatedly Tuesday, the defense objected to jurors being shown photographs of victims or other evidence they called inflammatory. The trial is scheduled to resume Wednesday morning. Read more in NEWS.

6. Nigeria claims nearly 300 women and girls freed

The country's military forces on Tuesday announced the rescue of 200 girls and 93 women from Sambisa Forest — but officials don't yet know whether the rescued captives are the specific girls taken by Boko Haram militants en masse from the Nigerian town of Chibok last year, a spokesman for the country's president said. The military operation in the country's northeast destroyed three terrorist camps, the military said in a statement. The mass kidnapping of 276 schoolgirls from Chibok sparked an international outcry a year ago. Read more in NEWS.

7. Nik Wallenda completes eye-catching stunt

The daredevil walked along the Orlando Eye, a 400-foot observation wheel in Florida set to open this spring, in a Wednesday morning stunt. But there was a new element of danger — he didn't use a balancing pole. "This is a very unique walk for me because I've never walked on any observation wheel, let alone one that's moving that I have to keep up with," Wallenda said. Read more at TODAY.

Nightly Spotlight

A witness to the Baltimore looting tells NBC's Lester Holt he'd seen this kind of disturbance coming in the neighborhood for decades.