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The first war that President Trump has declared is a war against the news media.

President Donald Trump, for the first time since taking office, has tweeted about violence in Chicago, saying: "I will send in the Feds" if they don't fix the "horrible 'carnage'" going on.

President Donald Trump is following through with one of the first pledges he made a year and a half ago when he announced his long-shot bid for the White House -- directing federal resources toward building a wall along the southern border.

Relive classic scenes from "The Mary Tyler Moore Show," the eponymous 1970s sitcom that helped usher in a new era for women on television.

One of the world's most notorious drug kingpins and prolific prison escape artists, Joaquin "El Chapo" Guzman, was extradited to the United States last Thursday in what was undoubtedly a pre-Trump inauguration gift from Mexican authorities to the Obama administration. "El Chapo," as he is customarily known, was immediately brought to the federal courthouse in Brooklyn for his arraignment on a 17-count indictment for which he faces life in prison.

See photos of iconic actress Mary Tyler Moore, who died Wednesday, January 25, at the age of 80.

Dow 20,000 is finally here. After weeks of close calls, the Dow made history on Wednesday by blowing past that key level for the first time ever.

Mary Tyler Moore talks about her experience working with Elvis on "Larry King Live" in 2003.

When Mary Tyler Moore auditioned for the role of Laura on "The Dick Van Dyke Show," series creator Carl Reiner famously put his hand on her head, walked her down to producer Sheldon Leonard's office and said, "I found her, here she is."

Usain Bolt's golden Olympic record was diminished Wednesday after Jamaican compatriot Nesta Carter tested positive for a banned substance.

Britain is paying tribute to one of music's biggest heroes, and it could put David Bowie in your mailbox.

TV and radio host Larry King, who interviewed actress Mary Tyler Moore several times, speaks with CNN's Brooke Baldwin about her life and legacy.

We're entering the Earth's sixth era of extinction -- and it's the first time humans are to blame. CNN introduces you to the key species and people who are trying to prevent them from vanishing.

Gabriella Shypula made a decision about her uterus based on President Trump.

A NASA photo of Saturn's moon Tethys is gaining notice for its resemblance to the Death Star in "Star Wars."

Pop superstar Madonna says she is not planning to expand her family.

Monica Lewinsky took to Twitter to defend Barron Trump after he was mocked online by a "Saturday Night Live" writer.

White House Press Secretary Sean Spicer discusses Donald Trump's wall plan along Mexico.