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Diamond Brown talks about the moments leading up to when she found out her 6-year-old son was killed in the fatal Chattanooga, Tennessee, bus crash.

Aftershocks following a 6.9-magnitude earthquake in Japan are causing small tsunamis to hit the Fukushima Prefecture area igniting fears about the nuclear power plant. CNN's Alexandra Field reports.

New York Police and counter-terror officials are taking extra security measures along the route of the 2016 Macy's Thanksgiving Day Parade, preparing for potential threats to the event.

CNNMoney Senior Tech Correspondent Laurie Segall sits down with Betaworks Founder John Borthwick about what tech and media companies can do to combat the spread of fake news.

A source familiar with transition discussions says Mitt Romney is seriously considering the possibility of serving as Secretary of State. CNN's Wolf Blitzer gets Rep. Adam Kinzinger's reaction to the news.

Donald Trump's potential national security adviser pick, retired Lt. Gen. Michael Flynn, called Islamism a "vicious cancer inside the body of 1.7 billion people" that has to be "excised" during an August speech. RNC Chief Strategist Sean Spicer discusses the comments.

Trump supporter Rep. Sean Duffy talks to The Lead.

In an interview with Jim Sciutto, Bill Kristol editor of the conservative Weekly Standard publication said President-elect Donald trump should give a speech to bring the country together.

CNN's Sara Murray reports on Trump's plans for office.

President Obama awarded the 2016 Presidential Medal of Freedom to stars including Michael Jordan, Bruce Springsteen and Robert DeNiro during a ceremony held at the White House.

President-elect Donald Trump told the New York Times he disavows the neo-Nazi group that recently celebrated his election victory by raising their right hand in an apparent Nazi salute. CNN's Sara Ganim reports.

A constitutional law professor explains how the Electoral College was established as a compromise between free states and slave states.

New York University Abu Dhabi has created the Engineering and Design Lab, a new department aimed at promoting innovation and entrepreneurship. With support for students to take their ideas from concept to prototype and then product, NYUAD is helping to connect the wider economy with great young talent and their ideas.

CNN's Brooke Baldwin gets emotional as she rebukes a guest for using the N-word during a live interview on the show.

President Obama hosted his final Medal of Freedom ceremony, a star-studded event, at the White House.

CNNMoney's Brian Stelter reports on President-elect Donald Trump's on-the-record meeting with some reporters and editors at the New York Times.

Does the outgoing United Nations chief want to be South Korea's next president? Christiane Amanpour asks.

Volunteer Hospice Chaplain Dwight Wilson tells CNN's Brooke Baldwin how he used to drive a school bus and how difficult it will be for the driver of the accident in Tennessee to cope.

Lisa Ling is a guest at a wedding behind bars. "This is Life" airs Sundays at 10 p.m. ET/PT.

CNN chief medical correspondent Dr. Sanjay Gupta catches up exclusively with the McDonald family to see how separated twins Jadon and Anias are recovering.