A story of betrayal you would struggle to believe if it wasn't true.

Listen to blood is thicker, the Hargan family killings early and add free on Wundry Plus.

I'm Margaret Brennan and on this Memorial Day weekend we'll take a look

at some American traditions and the challenges those traditions face in the modern era.

This weekend included one sure sign of summer, the presidential commencement speech at West

Point. This year it was delivered with words of

warning. Freedom is not free. It requires constant vigilance. The very

beginning, nothing is guaranteed about our democracy in America.

Then, the late-May tornado rampage continued overnight,

with intense twisters touching down in at least three states.

How will severe weather exacerbated by climate change impact what is expected to be a busy summer travel season?

We'll ask transportation secretary P.

Udegech. Israeli forces press on in Rafa in the conflict that's coming up on the

eight month mark. The U.S. built floating pier off the coast of Gaza is finally up and

running but the military is struggling to maintain it and to get humanitarian aid

to desperate Palestinians. We'll have the latest from the region. Plus, an update on immigration. Border

crossings for this time of year are atypically down. But the push for border reforms continues. We'll talk to

Connecticut Democratic senator Chris Murphy and Texas Republican

Congressman Tony Gonzalez. And on this Memorial day weekend a bipartisan conversation with two veterans in

Congress and their annual tribute to fallen soldiers at the Vietnam

Memorial. It's their way of putting the partisanship aside.

And it's not just that we have a, we agree on everything or having served as a

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