10 Things to Know for Friday

Your daily look at late-breaking news, upcoming events and the stories that will be talked about Friday:

1. NTSB: AMTRAK TRAIN SPED UP BEFORE HORRIFIC CRASH

In the last minute or so before the wreck, the train accelerated from 70 mph to over 100 mph — but whether the speed was increased manually isn't yet clear.

2. WHAT PERSIAN GULF STATES ARE TELLING OBAMA ABOUT IRAN NUCLEAR DEAL

They worry that if economic sanctions are lifted as part of an agreement, the influx of cash would embolden what they see as Tehran's aggression in the region.

3. ABC NEWS ANCHOR DONATED TO CLINTON FOUNDATION

George Stephanopoulos apologizes for failing to tell his employer or TV viewers about the $75,000 he contributed to the charity.

The audio recording features a voice that sounds like Abu Bakr al-Baghdadi's exhorting all Muslims to take up arms and fight.

5. IN HINDSIGHT, JEB BUSH SAYS, HE WOULDN'T HAVE INVADED IRAQ

Bush has sidestepped the question for days. He says that was partly out of loyalty to his older brother.

6. WHY ACTIVISTS ARE PROTESTING PLANS TO DRILL FOR OIL IN ARCTIC OCEAN

Worried about climate change, they say it's their moment to stand against opening a new frontier of fossil fuel exploration.

The government plans to uproot a nearly 60-year-old Bedouin village and build in its place a new community seemingly catering to Jews.

8. WHICH NASTY GERM ISN'T CAUSING AS MANY ILLNESSES

Sickness in the U.S. from E. coli bacteria has fallen 20 percent in the last few years, the latest report card on food poisoning shows.

9. VIEWERS BIDDING DAVID LETTERMAN FOND FAREWELL

His "Late Show" had more viewers last week than the "Tonight" show for the first time since Jimmy Fallon took over last year — with the exception of when Fallon's show was in repeats.