May 26, 9:48 PM EDT

10 Things to Know for Friday

AP Photo
AP Photo/Shuji Kajiyama

Your daily look at late-breaking news, upcoming events and the stories that will be talked about Friday:

1. OBAMA READY TO FACE HIROSHIMA'S HISTORIC GROUND

The first American president to confront the place of great suffering, he will pay tribute to the 140,000 people who died from the attack seven decades ago.

2. TRUMP SEWS UP DELEGATES TO SEAL GOP NOMINATION

The feat completes an unlikely rise that has upended the political landscape and set the stage for a bitter fall campaign.

3. MANY OPT TO TAKE SOCIAL SECURITY BEFORE FULL RETIREMENT AGE

An AP-NORC Center for Public Affairs Research poll says 43 percent of those 50 and older plan to claim their benefits before 65 or 66 for those born between 1943 and 1954 - even though that means a smaller check each month.

4. TRAPPED GROUP ESCAPES KENTUCKY CAVE

Nineteen people walk through neck-deep water to get to safety, authorities say.

5. MORE THAN 4,000 MIGRANTS RESCUED IN SINGLE DAY

At least 20 die trying to reach Europe as Libyan-based smugglers take advantage of calmer seas to send desperate would-be refugees north.

6. WHO FACES PRESSURE TO RUN FOR RE-ELECTION TO SENATE

Senate Majority Leader Mitch McConnell is taking the lead in a campaign to get Sen. Marco Rubio to reconsider his plans to retire.

7. WHY BAYLOR DEMOTES UNIVERSITY PRESIDENT

Ken Starr is stripped of his job after a scathing report over the school's handling of sexual assault complaints against players.

8. WHICH U.S. BEACH IS THE BEST

Hawaii's Hanauma Bay on Oahu is No 1 on an annual top 10 list compiled by coastal science professor Stephen Leatherman, also known as Dr. Beach.

9. WHAT MICHELLE OBAMA TELLS NATIVE AMERICAN STUDENTS

In her commencement speech, the first lady encourages graduates to take pride in their history and cultures.

10. PENSKE THE STANDARD OF EXCELLENCE AT INDY AFTER 50 YEARS

But he particularly shines at Indianapolis Motor Speedway, where he has a record 16 Indianapolis 500 victories.

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