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Following the shooting in Munich CNN's Atika Shubert discusses the difference between mass killings and terrorist attacks.

CNN's Shasta Darlington reports on Rio's efforts to transform itself for the 2016 Olympic Games.

CNN embedded with "Democracy Spring" organizers as they trained for, planned and carried out a mass protest at the DNC in Philadelphia.

Supporters of Bernie Sanders and Hillary Clinton clashed throughout day one of the Democratic National Convention.

The Democratic National Convention opened with multiple displays of disunity. The party then tried to move past it in many ways.

Fanned by heat, windy conditions, and a five-year drought, a pair of California wildfires has burned tens of thousands of acres near Monterey.

A stabbing spree at a care facility near Tokyo is one of Japan's deadliest mass killings. New York Times' Tokyo Bureau Chief Motoko Rich has more.

The CNN Reality Check team looks at the claims made by Sen. Elizabeth Warren at the Democratic National Convention that Donald Trump was excited about the 2008 housing crash.

During his speech to the Democratic National Convention, Sen. Bernie Sanders says the Democratic Party platform is in opposition to the Trans-Pacific Partnership trade agreement.

Sen. Bernie Sanders addresses the Democratic National Convention and delivers the full-throated endorsement that the Hillary Clinton campaign had longed for.

During HBO's "Last Week Tonight," John Oliver teamed up with musicians to create a new song that tells politicians to stop using their music without permission.

"Saturday Night Live" alumnus Sen. Al Franken used his Democratic National Convention speech to mock Republican presidential nominee Donald Trump and Trump University.

Sen. Bernie Sanders addresses the Democratic National Convention and delivers the full-throated endorsement that the Hillary Clinton campaign had longed for.

In a rebuttal to Donald Trump's campaign slogan to make America great again, Michelle Obama pointed to her daughters as examples that America already is the greatest country on Earth during her speech at the Democratic National Convention.

Sen. Elizabeth Warren used her Democratic National Convention speech to attack Donald Trump's presidential qualifications and made the case for electing Hillary Clinton.

Speaking at the Democratic National Convention, Sen. Bernie Sanders said that to an objective observer, it is clear that Hillary Clinton must be president.

At the Democratic National Convention, Sen. Elizabeth Warren warned Republican lawmakers who stonewalled legislation in congress that the voters are going to vote them out of office.

At the Democratic National Convention, Sen. Bernie Sanders addresses his supporters' disappointment in the election and says this election must be about the American people and the future.

Vermont Senator Bernie Sanders takes the Democratic National Convention stage to raucous applause.

At the Democratic National Convention, Sen. Elizabeth Warren made the case why Republican presidential candidate Donald Trump is unfit to be president.