Jul 20, 5:54 AM EDT

Among 10 Things to Know: Sen. John McCain's tumor among most aggressive forms of brain cancer; O.J. Simpson poised for hearing before Nevada parole board; bag containing traces of moon dust up for auction

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AP Photo/Jae C. Hong

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

1. JOHN MCCAIN FACING DAUNTING BATTLE

The Arizona senator's tumor is one of the most aggressive forms of brain cancer, and his family and doctors are deliberating treatment options.

2. OJ SIMPSON BACK IN CAMERA'S GLARE

The former football star, actor and pitchman will command the world's attention once more as he beseeches a parole board for his freedom on live TV.

3. ATTITUDES SHIFTING ON HEALTH CARE

Sixty-two percent of Americans now say it's the government's responsibility to make sure that all Americans have health care coverage, according to an AP-NORC survey.

4. KEY PLAYERS SUMMONED TO CAPITOL HILL

Members of the Trump campaign's inner circle, including his eldest son and son-in-law, are being called before Senate committees next week to talk about the 2016 election.

5. WHO'S GETTING BANG FOR ITS BUCK

North Korea is believed to have spent roughly as much on its infamous nuclear program as the U.S. does on a single nuclear-powered submarine.

6. COMBUSTIBLE SIDING UNDER SCRUTINY

The same aluminum panels covering London's Grenfell Tower, where a recent blaze killed 80 people, are listed in a U.S. company's brochure as adding a "stunning visual effect" to an NFL stadium and a 33-story Baltimore hotel.

7. WHITE HOUSE TARGETING RED TAPE

The Trump administration has withdrawn or delayed 860 proposed regulations in its first five months, the beginnings of a regulatory overhaul meant to bolster economic growth.

8. WHICH SPACE RELIC IS UP FOR SALE

A collection bag containing traces of moon dust that was used by astronaut Neil Armstrong during the first manned mission to the moon in 1969 will be featured at a New York City auction.

9. MILESTONE IN FIGHT AGAINST AIDS

For the first time in the AIDS epidemic, more than half the people with HIV are on drugs to treat the virus, the U.N. reports.

10. WHAT'S SEEN AS TOUGHEST HOLE AT BRITISH OPEN

The sixth hole at Royal Birkdale is a left-to-right dog-leg that requires a precise drive and a long second shot.

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