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It's Tuesday, February 18th, and this could have turned the entire airline industry upside down.

We start here. A Delta jetliner flips over on a Toronto

runway. The plane is upside down. People are trying to get out of their seatbelts. Miraculously,

no one was killed here, but it is prompting questions on both sides of the border. The U.S.

and Russia will discuss the future of Ukraine without Ukraine in the room.

It's almost like throwing a grenade in the middle of everything you think you know about international diplomacy.

This meeting will have ramifications across Europe. We'll break it down.

And sorry, basic question, but is Elon Musk allowed to lay off government workers?

What exactly are you alleging that Musk is doing? And I think the cake isn't entirely baked yet.

With federal agencies and chaos, legal arguments are quickly making their way to the Supreme Court.

From ABC News, this is Start Here. I'm Brad Milky.

North American airspace is generally considered among the safest on earth, and yet, improbably, we're at the point this year already where when you hear about a plane crash or runway incident, it makes you want to say another one? Well, yesterday, we had another one.

The aircraft serves upside down and burning.

That's the air traffic control sound from live ATC as a Delta Airlines flight carrying

80 people flipped upside down on the runway. This actually took place just across the border

in Toronto, Canada, after taking

off from Minnesota. ABC Sam Sweeney is our lead producer at our transportation unit. He's covered

...