WATCH LIVE: The #GlobalCitizen Festival, featuring performances by Janet Jackson, Cardi B and more! nbcnews.to/2y0tOnd LIVE: #GlobalCitizen @MSNBC pre-show featuring @JoyAnnReid, @chrislhayes, @AriMelber, @WatchSavannah and @jacobsoboroff nbcnews.to/2y0tOnd

DEVELOPING: Reports of multiple gas explosions and fires in Lawrence, Mass. nbcnews.to/2N9Y61o - @NBC10Boston @NBC10Boston North Andover, Mass. police: "Multiple house fires at homes with Gas service. If you have gas service to your house or business please exit the building until further notice."

You can read the full George Washington Univ. study here:

Ascertainment of the Estimated Excess Mortality from Hurricane Maria in Puerto Rico. publichealth.gwu.edu/sites/default/… The George Washington Univ. study explains its executive summary of the study here. publichealth.gwu.edu/sites/default/…

BREAKING: Pres. Trump rejects independent study that reports an estimated 2,975 people died in Puerto Rico in 5 months after Hurricane Maria; provides no evidence to discount the study; declares, without evidence, that the higher death toll is political ploy to make him look bad. President Trump argues that the preliminary death toll he was given immediately after Hurricane Maria could not have gone up to the toll that independent study reports with an estimated 2,975 people dead; he does not site evidence to back up his refutation of the study.

BREAKING: Former Trump campaign aide George Papadopoulos, who pleaded guilty to lying to federal investigators, sentenced to 14 days in jail. nbcnews.to/2QdWAsF Papadopoulos, sentenced to 14 days in jail, will also serve 12 months of supervised release and was ordered to pay a fine of $9,500. nbcnews.to/2QdWAsF

LIVE: Former President Obama gives his first major speech ahead of 2018 midterms as he receives an ethics in government award from the University of Illinois. pscp.tv/w/1DXxyYNwVVkxM Former President Obama: "You need to vote because our democracy depends on it."

Sen. Durbin: "We waited for more than a year with a vacancy on the Supreme Court under the direction of your leader in the U.S. Senate ... The fact that we cannot take a few days or weeks to have a complete review of Judge Kavanaugh's record is unfair to the American people." BREAKING: Democratic senators come out firing, disrupt Senate confirmation hearing for Kavanaugh. nbcnews.to/2wGAg27

"My name's Joe Biden. I'm a Democrat. And I love John McCain." WATCH: Former VP Biden: "John understood that America was first and foremost an idea – audacious and risky, organized around not tribe, but around ideals."

LIVE: John McCain's body is escorted to the Arizona State Capitol, where he will lie in state. pscp.tv/w/1BdGYoRrwdgxX Cindy McCain stands near John McCain's casket upon the hearse's arrival at the Arizona State Capitol.

BREAKING: White House Counsel Don McGahn will be leaving his position this fall, President Trump says in tweet. Senate Judiciary Cmte. Chairman Grassley in tweet to President Trump: "I hope it’s not true McGahn is leaving WhiteHouse Counsel. U can’t let that happen."

Montana has the highest suicide rate of any state in the country.

“When it comes to depression and suicide in our community, it’s out of control,” says the father of Michael Lee, a 13-year-old who dreamed of being a football player. nbcnews.to/2ojUJWG (1/6) For those at Michael’s funeral, where a table was covered in pamphlets on suicide prevention, the message was both urgent and familiar. While Montanans don’t often speak openly about sadness or loneliness, many have firsthand experience with loss. nbcnews.to/2ojUJWG (2/6)

Sens. Schumer and McConnell request that the Dept. of Defense "provide necessary support so that U.S. flags on all government buildings remain at half mast through sunset on the day of Senator McCain's interment," Sen. Schumer's spokesperson says. DEVELOPING: The White House flag was raised to full-staff again Monday as other flags, including at the nearby Washington Monument, remain at half-staff in honor of John McCain. nbcnews.to/2odT7h3

BREAKING: John McCain, American statesman and POW survivor, has died at age 81.

NBCNews.com BREAKING: John McCain, American statesman and POW survivor, has died at age 81. nbcnews.to/2BOObZO

South Africa is in the throes of a racially charged national debate over land reform, a lawful process that seeks to correct the legacy of decades of white minority rule that stripped blacks of their land. nbcnews.to/2wlYlex (1/5) In an effort to speed up land reform, Pres. Ramaphosa said his government would amend the Constitution so the state could expropriate land without compensation, and that the expropriation would begin with state-owned land, not privately held land. nbcnews.to/2wlYlex (2/5)

BREAKING: "While I am Attorney General, the actions of the Department of Justice will not be improperly influenced by political considerations. I demand the highest standards, and where they are not met, I take action," AG Sessions says amid mounting criticism from Pres. Trump. AG Sessions is now headed to the White House for a pre-planned meeting with President Trump and Jared Kushner about criminal sentencing reform - @KatyTurNBC

BREAKING: Aretha Franklin, the Queen of Soul, has died at her home in Detroit, her publicist tells the Associated Press. NBCNews.com Publicist: Aretha Franklin’s cause of death was due to advance pancreatic cancer; she died while surrounded by family and loved ones; funeral arrangements will be announced in the coming days. nbcnews.to/2BdgmRC

BREAKING: President Trump is revoking former CIA Director and high-profile Trump critic John Brennan's security clearance, White House says. NBCNews.com In justifying the revocation, the White House asserts that Brennan -- who has been highly critical of President Trump, including on Twitter and as an NBC News and MSNBC analyst -- "has history that calls into question his objectivity and credibility."

LIVE: 1 year later, we're continuing to examine the consequences of #Charlottesville, including how the events of that day have changed life and politics in America.

Watch live coverage now on NBCNews.com --> nbcnews.to/2OZLk2r

https://twitter.com/NBCLeftField/status/1027925032943710209

JUST IN: At least 4 people killed in a shooting in Fredericton, Canada. nbcnews.to/2KH9w6C Police have tweeted that they had one suspect in custody following a shooting in Fredericton, Canada. nbcnews.to/2KDy945

If Russia was brazen enough to attempt to kill a former spy using a chemical weapon on British soil, could it happen in the United States? (1/5) nbcnews.to/2OSVYbk Putin's government denies any involvement in the poisoning of Sergei Skripal and his daughter in the UK, but the U.S. has pointed the finger squarely at Russia, which has been accused of killing targets on foreign soil more than once. (2/5) nbcnews.to/2OSVYbk

Even when legal, the controversial practice of choosing to die after a terminal diagnosis is extremely difficult.

Aaron McQ of Seattle shared his story in the hope of shedding light on an often secretive and misunderstood practice. nbcnews.to/2KFfwwL (1/5) Aaron McQ — a former world traveler and triathlete — learned he had leukemia 5 years ago, followed by a diagnosis of a rare form of ALS. In November, he was given 6 months to live.

“It’s like waking up every morning in quicksand. It’s terrifying.” nbcnews.to/2vULuPU (2/5)