To understand the Iván Duque Márquez victory this weekend, you need to understand the man behind him: former president Álvaro Uribe Vélez.

Wednesday's shooting has prompted much handwringing about the state of the nation. But political violence and anger are embedded in America's DNA.

Partisan polarization is getting worse, and gun control has stalled. But Democrats and Republicans can unite over treatment for troubled people.

History shows that civil disobedience and mass protests are more effective in the long run than black-bloc tactics.

Threats of a post-election uprising is a bunch of Trumpian bluster.

Donald Trump's claims of a "rigged" election have renewed fears of unrest on Election Day. It's time for Republicans to stand up for our democracy.

Jo Cox's murder and the pro-Brexit campaign's Trumpian politics have some fearing for the country's future.

Two violent men, two symptoms of the same sickness.

A photographer catalogs the makeshift memorials for the victims of New York City's gun violence.

Republican candidates responded to the San Bernardino mass shooting with "thoughts and prayers," but not for those who need it most: themselves

Miss Piggy regularly beat him up, and everyone thought it was funny. Not anymore.

Why a young man in one of the happiest countries on earth committed a brutal act of terrorism

"BBHMM" puts a materialistic spin on a social-justice blaxploitation classic

Dylann Roof and the intersection of psychology and extremist ideology