Threats

A Timeline of US-Cuban Relations Since 1959

With the historic announcement of new diplomatic relations between the U.S. and Cuba, here’s a look back at the strained relationship. By Adam Epstein

Threats

Six Guantanamo Detainees Released to Uruguay

There are still 67 men at the facility who have been approved for resettlement. By Allen McDuffee

Threats

The Allure of Radical Islam in Canada

Understanding the roots of the sudden spike of violence to hit America's northern neighbor. By David Frum

Threats

The Aftermath of the Shooting in Ottawa

Here's what we know about the victim and the shooter in Wednesday's deadly attack on Canada's capital. By Polly Mosendz

Threats

Canadian Soldier Shot and Killed at War Memorial in Ottawa

The suspect was identified by police as Michael Zehaf-Bibeau, a 32-year-old Canadian native. By Polly Mosendz

Ideas

Why It's Nearly Impossible To End the Cuba Embargo

Bill Clinton tried engaging Fidel Castro. After Havana shot down two U.S. planes, it all fell apart. By Peter Korbluh and William M. Leogrande

Threats

What Would the National Guard Actually Do at the Border?

How troops deployed to America's border with Mexico might elude the usual characterizations of 'militarizing' a region. By James Oliphant and Rachel Roubein

Policy

Central American Leaders Push Obama, Congress for Security Assistance

Amid political paralysis over border security in Congress, the White House and DOD are forging ahead with Central American counterparts to address the crisis. By Molly O’Toole

Policy

Rick Perry Orders National Guard Troops to Texas Border

Absent consent from Obama, Perry said his state can't wait any longer and will pay to deploy its Guard troops to America's southern border. By Katherine McIntire Peters

Threats

Despite Pentagon Concerns, Obama Requests No New Military for Border Threat

White House agrees the root causes of the border crisis threaten national security, but says the mission is not the military’s. By Molly O’Toole

Policy

Hagel Backs General on U.S. Border Threats

Defense Secretary Hagel supports his top general’s concern that Central American destabilization is fueling the migrant children crisis at the U.S. border. By Molly O’Toole

Threats

In Mexico, Hagel Focuses on Crime, Cyber and Natural Disasters

Forget terrorism or nuclear weapons, Defense Secretary Chuck Hagel and his counterparts from Mexico and Canada are worried about more immediate threats. By Stephanie Gaskell