KNOW IT ALL: Friday's Top 6 Stories at NBC News

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

1. Jordan to ISIS: Revenge airstrikes are just 'the beginning'

Following the brutal killing of a Jordanian fighter pilot by ISIS, up to 20 Jordanian F-16 fighter jets carried out airstrikes against the militant group in Syria on Thursday. "This is the beginning," Jordan later warned in a statement. "You will know who the Jordanians are." King Abdullah, who on Thursday visited and consoled the dead pilot's family, called for global unity in the fight against terrorism. Read more in NEWS.

2. Mom sues Pop Warner football over son's suicide

A Wisconsin woman is suing Pop Warner, a non-profit football and cheer leading youth program, over the suicide of her son, which she said happened because he was suffering from dementia as a result of concussions he got while playing with Pop Warner when he was young. Debra Pyka's suit comes eight days after Boston University researchers reported that former NFL players who played tackle football before age 12 showed greater declines in memory and cognitive function when compared to peers who didn't start playing until their teens. Pyka's suit says in part that Pop Warner should have known about similar research and provided better protection for the kids. Pop Warner has not responded to requests for comment. Read more in NEWS.

3. Storm hits California but won’t alleviate drought

San Francisco was finally getting rain for the first time in more than 40 days — and from there, coastal and northern parts of the Bay Area could get as much as 6 inches by Sunday. Even heavier rain is expected north, along the Oregon and Washington coasts, and could bring mudslides and flooding to all three states, largely parched by an ongoing drought. While the rain event is expected to last from Thursday through Sunday on the West Coast, "it's going to take a whole lot more than that for a long period of time to put a real dent in the drought," according to Ari Sarsalari, a forecaster for The Weather Channel. Read more in WEATHER.

4. TransAsia crash death toll climbs to 35

The bodies of four more victims were recovered from the wreckage of Flight GE235, which plunged into the Keeluhng River in Taipei moments after taking off Wednesday. TransAsia was paying to fly victims' families to Taipei to collect their relatives' bodies, and full compensation will be determined after the investigation into what caused the crash is complete. Fifteen people survived the harrowing accident, and eight were still missing. Read more in NEWS.

5. Five babies infected with measles in Chicago suburb

Five babies under the age of 1 who attend a Chicago-area daycare center have been infected with measles. Dr. Kiran Joshi of the Cook County Department of Public Health said he expects more cases to be linked to this center. It's not yet clear if the outbreak is linked to the Disneyland measles outbreak, which has spread to dozens of people in at least 14 states. Babies under the age of 1 are not able to get vaccinated, and anyone over that age who hasn't been vaccinated is being warned to stay away from the daycare center. Read more in HEALTH.

6. Bobbi Kristina Brown 'is not brain dead'

After rumors that Bobbi Kristina Brown, the daughter of late pop diva Whitney Houston, was brain dead, a source told E! that "she is not brain dead," and the family was not gathering to say their goodbyes. Brown, 21, was found unresponsive in her bathtub by her partner and a friend on Saturday. The three-year anniversary of Houston's death, who was also found unresponsive in a tub, is Wednesday. Read more in NEWS.

And now this ...

New Yorkers thought it was revolutionary to see a cupcake vending machine, but that's nothing. Certain medical marijuana dispensaries in Washington now have weed vending machines to cut back on long lines and crowds. Now, if only Washington also had cupcake vending machines.