Happening now, breaking news blockbuster decision day.

At any moment, the Supreme Court will rule on several key cases.

One still left to be decided, birthright citizenship, and the national authority of lower courts.

Plus, crucial classified Intel briefing. Right now, House lawmakers are getting very classified, sensitive

information from U.S. intelligence officials on the U.S. airstrikes on Iranian nuclear

facilities. Welcome to our viewers here in the United States and around the world.

I'm Wolf Blitzer with Pamela Brown, and you're in the Situation Room. This is CNN breaking news.

At any moment, the U.S. Supreme Court will begin handing down the final decisions of its term.

This will be a very big hour of opinions. No ruling is more

anticipated than the challenge to President Trump's executive order ending birthright

citizenship here in the United States. The court will decide whether the president can enforce

the ban on birthright citizenship after lower courts blocked it across the nation indeed.

This case could shift the balance of power between courts and the executive branch.

And there's another key case right out of Maryland. Some parents in the Montgomery County

School System just outside of D.C. where we are now cite religious objections to the reading

of LGBTQ plus books in elementary

school. Those parents want an opt-out policy so that they can pull their children from those lessons.

CNN's chief legal affairs correspondent, Paula Reid, is just outside the Supreme Court here in

Washington. Paula, what are you expecting this morning? Well, already the unexpected has happened.

I'm going to break away from this live shot because we understand that we have gotten the

biggest case of the term first of these six opinions we're getting today.

This is the case related to birthright citizenship that may also answer questions about judicial

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