THINGS YOU NEED TO KNOW

• Olympic viewership on NBC is averaging 27.9 million viewers through the first nine nights, down about 15.5% from the London Games four years ago, including a roughly 30% drop among viewers 18 to 34.
• Marion "Christopher" Barry Jr., the son of the late Washington, DC, mayor with the same name, has died at age 36.
• Eve Plumb -- who played Jan in TV's "The Brady Bunch" -- has sold her home in Malibu for $3.9 million. She originally bought the home when she was 11-years-old for $53,000.
• "Dancing with the Stars" will kick off season 23 on September 12.
• Comedy Central is canceling "The Nightly Show with Larry Wilmore."
• Sweden's education minister has resigned after being arrested for DUI.
• Now we hear that actor Thomas Gibson was actually fired from CBS' "Criminal Minds" after kicking a writer.
• A giraffe at a Taiwan zoo died from a panic attack after an attempt to move it to another zoo for mating.
• Los Angeles is reporting its worst smog in years, with air pollution at levels not seen since 2009.
• A study says the best time for peak athletic performance is during the late afternoon and early evening.
• Oreo has announced its newest flavor filling, Swedish fish gummy candy.
• Woodstock was taking place this week in 1969.
• Kevin Hart married his longtime girlfriend over the weekend, Eniko Parrish.
• The Whopperito is now on sale at Burger King -- the Whopper meets the burrito.
• Black Lives Matters plans to protest Graceland and shut it down during Elvis Week, to attract attention to their cause.
• Great Britain's Justin Rose scored the first hole-in-one in Olympic golf history at the par-3 fourth hole during last Thursday's first round in Rio.
• Harrison Ford is running around with a bushy beard these days.