DENVER -- Good morning! Here’s what you need to know today, Wednesday, Dec. 20, 2017.
1. Senate approves GOP tax plan
In a vote in the early Wednesday morning hours, the Senate approved the final version of the first overhaul of the US tax code in more than 30 years, handing President Donald Trump and congressional Republicans their most significant legislative victory of 2017.
2. First Alert Action Day
Today will be our last warm day before the cold air settles in. Mike Nelson has issued a First Alert Action Day as a cold front moves in tonight, bringing single-digit lows and a possibility for snow Thursday.
3. Safety system a work in progress
Amtrak didn't wait to have critical speed control technology up and running before it launched a new route south of Seattle where a train derailed, killing three people.
4.. Saudi Capital unscathed by missile
The Saudi-led coalition fighting Yemen's Shiite rebels says it intercepted a missile fired over southern Riyadh, which the rebels said was targeting a "top leadership" meeting at the royal palace.
5. US warns Pyongyang over cyberattack
The Trump administration vows that North Korea will be held accountable for a May cyberattack that affected 150 countries, but it doesn't say how.