Last week, Secretary of Defense Jim Mattis released the 2018 National Defense Strategy (NDS). Here is what you should know about this quadrennial national security report.

More than 130 political appointees working in the Executive Office for President Trump do not have permanent security clearances. Some of the staffers on the list who have access to classified materials but do not have a clearance include the president’s daughter, son-in-law, and his top legal counsel, reports NBC News.

Next week marks the release of a new documentary about King T’Challa, ruler of Wakanda. Here is what you should know about the mysterious African nation.

This week marks the 50th anniversary of the Tet Offensive. Here is what you should know about the attacks that changed the course of the Vietnam War.

On Thursday, President Donald Trump delivered a speech in Switzerland at the 48th annual meeting of the World Economic Forum, better known as the “Davos Forum.” Here is what you should know about the famous meeting of global leaders.

Earlier this week a former CIA officer suspected of helping China “neutralize U.S. spying operations on its soil” was arrested and charged with violating the Espionage Act. Here is what you should know about the Espionage Act, one of the most controversial laws in American history.

The sixth round of talks to update the NAFTA will begin later this month in Canada. But Canadian officials are increasingly concerned that President Trump will announce the United States will unilaterally withdraw—either as a negotiation tactic or as a way to shift toward Trump’s favored protectionism. Here is what you should know about the perennially controversial trade agreement.

On December 18, President Trump unveiled his first National Security Strategy (NSS) report. Here is what you should know about this important national security document.

Vladimir Putin recently announced that in 2018 he will run for a fourth term as President of Russia. After winning the election—which he is projected to do since he has no serious challengers—he will be the longest-serving Kremlin chief since Josef Stalin.