Picture this----pre-President Donald Trump speaking at a graduation commencement in 2004. He's talking to students about overcoming obstacles...not letting any wall get in their way....His advice:

"If there is a concrete wall in front of you, go through it!"

Jump cut---2019. President Trump visiting the US-Mexico border in Texas today and talking still about a different wall. A real wall. An expensive wall. And, it turns out, even if built, a highly vulnerable wall.

We will go In Depth and tell you what happened when military teams tried to get beyond all eight prototype walls when they were being tested.

Also, a long time ago, in a galaxy far, far away----was someone trying to say HELLO to us? The latest mystery from a far flung corner of the cosmos.

Later in the show.... You know it's a bad sign for workers wages when your kid's allowance is growing faster than your paycheck. Really. We'll go In Depth to tell you how and why that is happening.

And stick around for news from this year's Consumer Electronics Show in Las Vegas where robots help do your laundry and toilets get brains.

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