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A special counsel is overseeing the federal investigation into Russian meddling in the 2016 election, which is also examining whether anyone in President Donald Trump's campaign colluded with the Russians.
Here's a look at some of the Americans whose names come up often in connection with the investigation.
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Congressional Republicans and Democrats announced Saturday they had reached an agreement on a sweeping Russia sanctions package to punish Moscow for meddling in the presidential election and its military aggression in Ukraine and Syria.
Rep. Steny Hoyer of Maryland, the No. 2 House Democrat, said lawmakers had settled lingering issues with the bill, which also includes stiff economic penalties against Iran and North Korea. The sanctions targeting Russia, however, have drawn the most attention due to President Donald Trump's persistent push for warmer relations with President Vladimir Putin and ongoing investigations into Russia's interference in the 2016 campaign.
Ramon Galindo/NBC 7 San Diego
A two-time American Olympian injured in a backflip accident and told he might never walk again defied the odds Saturday, making good on a vow to walk at his wedding in San Diego, California.
Jamie Nieto, 40, beamed as he wed his bride, Jamaican hurdler Shevon Stoddart, at a ceremony at Christ Temple Apostolic Church in the east San Diego community of El Cajon.
Leon Neal/Getty Images, File
Lucy Harris thinks Britain's decision to leave the European Union is a dream come true. Nick Hopkinson thinks it's a nightmare.
The two Britons — a "leave" supporter and a "remainer" — represent the great divide in a country that stepped into the unknown just over a year ago, when British voters decided by 52 percent to 48 percent to end more than four decades of EU membership.
They are also as uncertain as the rest of the country about what Brexit will look like, and even when it will happen. Since the shock referendum result, work on negotiating the divorce from the EU has slowed to a crawl as the scale and complexity of the challenge becomes clearer.
A day after accepting a top White House job, President Donald Trump's new communications adviser announced Saturday that he's deleting old tweets, saying his own views have evolved and that what he said in the past shouldn't be a distraction.
Trump announced Friday that he'd hired Wall Street financier Anthony Scaramucci to help the White House sharpen its public message.
Jack Taylor/Getty Images, File
It was a typical phone call between two boys playing and their mother, who was on vacation in France. It was brief — the boys wanted to get back to playing with their cousins, not spend time on the phone chatting.
The brevity of that 1997 call troubles Prince William and Prince Harry to this day — for their mother, Princess Diana, would die in a car crash that night.
"Harry and I were in a desperate rush to say goodbye, you know 'see you later'... If I'd known now obviously what was going to happen I wouldn't have been so blase about it and everything else," William says in a new documentary. "But that phone call sticks in my mind, quite heavily."
AP Photo/Steve Helber
With praise and a blessing for the military, President Donald Trump helped hand over the USS Gerald R. Ford to the Navy on Saturday and said the state-of-the-art aircraft carrier will send a "100,000-ton message to the world" about America's military might when it is ultimately deployed.
U.S. allies will rest easy, Trump said, but America's enemies will "shake with fear" when they see the Ford cutting across the horizon.
The president, who is commander in chief of the U.S. armed forces, likened the $12.9 billion warship to "an incredible work of art" and boasted about the American labor that went into building a vessel that eventually will house thousands of sailors and crew members.
AP Photo/Brian Kersey, File
Actor John Heard, whose many roles included the father in the "Home Alone" series and a corrupt detective in "The Sopranos," has died. He was 71.
Heard was found dead Friday in a hotel in Palo Alto, California, the Santa Clara County Medical Examiner's office said Saturday.
An investigation which includes a toxicology test is underway to determine the cause of death, but so far there is no evidence of foul play, the office said.
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New White House press secretary Sarah Huckabee Sanders was schooled in hardscrabble politics — and down-home rhetoric — from a young age by her father, former Arkansas Gov. Mike Huckabee.
Her way with a zinger — and her unshakable loyalty to an often unpredictable boss — are big reasons why she became a rising star in President Donald Trump's orbit. She'll take over for Sean Spicer, who abruptly announced Friday that he's resigning, effective at the end of August.
Sanders steps into what has been deemed the most difficult job in Washington. Her responsibilities are not just to do combat with a feisty White House press corps but to try to please a mercurial president who fancies himself his own best spokesman.
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The Washington Post reports that the Russian ambassador to the U.S. has said he discussed election-related issues with Sen. Jeff Sessions when the two men met during the 2016 presidential race.
The Post is citing anonymous U.S. officials who described U.S. intelligence intercepts of Ambassador Sergey Kislyak's descriptions of his meetings with Sessions.
Sessions was then a foreign policy adviser to Republican candidate Donald Trump. The former Alabama senator now serves as the Trump administration's attorney general.
AP Photo/John Minchillo
When federal prosecutors asked to meet last month with Eric Garner's family, it stoked speculation that their investigation into his death was finally nearing a resolution three years after his last words — "I can't breathe" — became a rallying cry for protests over police killings of black men.
The speculation was wrong: The same day of the Brooklyn meeting, a grand jury heard testimony from a police academy instructor on takedown tactics, dragging out a presentation that began last year, said two people familiar with the secret panel's work.
Israel's military fortified its troops in the West Bank and placed forces on high alert Saturday, a day after a Palestinian stabbed to death three members of an Israeli family and some of the worst Israeli-Palestinian clashes in years erupted over tensions at the Holy Land's most contested shrine.
Following a relatively quiet day, violence resumed late Saturday near the epicenter of the current crisis in the Old City of Jerusalem. After hundreds of Muslim worshippers defiantly held their evening prayers outside the Jerusalem holy site, resuming their protest against security measures Israel imposed after a deadly attack there, clashes unfolded with police firing tear gas and water cannons to disperse protesters.
No injuries were reported, but one Palestinian was killed in uncertain circumstances in other low-level clashes that took place throughout the day, including in the West Bank village of the 20-year-old Palestinian assailant who carried out the grisly stabbing spree. His father said he believes his son was motivated by a desire to protect the "honor" of the Jerusalem holy site.
Anthony Scaramucci, the back-slapping Wall Street hedge fund magnate, is a long-time Republican donor and fundraiser who once criticized Donald J. Trump, the presidential candidate, CNBC reported.
But he eventually became one of Trump's biggest defenders, and after months of delays he is finally getting what he has worked for behind the scenes since last year: a position in the Trump White House.
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