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Legal analyst Paul Callan says that the FBI director, by foolishly making a public announcement that the agency is reviewing newly discovered emails related to Hillary Clinton's personal server, has inserted himself yet again into the presidential campaign. He says his clumsy handling of the probe is reason for Comey to resign.

Donald Trump for the second day in a row questioned the validity of this swing state's largely mail-in voting system, the latest instance of the Republican nominee expressing skepticism about the legitimacy of the electoral process.

UNICEF has issued a report on the effects of world air pollution, saying it leads to the deaths of more children yearly than malaria and HIV/AIDS combined.

Rabbits come in many shapes, sizes and colors -- and so do their breeders. Katya Rezvaya took portraits of them at a convention last year in Oregon.

The United States has gone too far down the road of criminalizing public policy, writes Fareed Zakaria.

Another Sunday, another title for Andy Murray as he chases down Novak Djokovic for the top spot in world tennis.

Suddenly, the figure at the center of the 2016 presidential race isn't even running for office.

The acquittal of Ammon Bundy and his associates in Oregon casts racial disparity in new relief, writes Peniel Joseph, when compared to the treatment of black, Latino, and Native American protesters.

Peter Bergen interviews the man in command of US forces in wars in Afghanistan and Iraq.

Groups fighting the Syrian regime in Aleppo on Sunday intensified attacks on the government-controlled western section of the city.

President Barack Obama told a group of volunteers for Hillary Clinton on Sunday to remain focused on electing the Democrat, despite what he called "noise and distractions" in the campaign's final stretch.

Miami Marlins star pitcher Jose Fernandez had cocaine in his system when he and two friends were killed in a boat crash last month off Miami Beach, the Miami-Dade County Medical Examiner's office said Saturday.

An Alaska police officer shot in the line of duty two weeks ago has died of complications after surgery.

In dueling campaign events Sunday, Hillary Clinton stepped up her attacks on Donald Trump's alleged phantom philanthropy, while the Republican nominee continued to pound his Democratic rival over the FBI's new review of emails.

English cricketer Liam Thomas kept calm and carried on after losing his artificial leg during the final of a tournament for people with physical disabilities in Dubai last week.

The bottle, tossed into the Atlantic back in the 60s, was found thousands of miles away on a tropical beach.

John Podesta is turning up the heat on FBI Director James Comey to release more details about the bureau's review of new emails possibly tied to Hillary Clinton's private server.

Hillary Clinton's campaign, aiming to win over conservative voters in the Florida Panhandle, has recently begun airing an ad referencing Donald Trump talking about his inappropriate behavior with women, according to media monitoring firm Kantar/CMAG.

Halloween reminds us that for the living, being haunted keeps us connected to what we've lost while making sense of a terrifying world, writes Colin Dickey.

Comma.ai had promised to turn existing Hondas and Acuras into self-driving cars -- but it shut down on Friday.