President Trump is set to deliver a speech in Riyadh, Saudi Arabia, urging leaders to confront “the crisis of Islamist extremism.”

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Listen: Trump adviser says he 'would not be concerned’ about a Russia back channel

In an off-camera news briefing on May 27, national security adviser H.R. McMaster was asked about President Trump’s senior adviser and son-in-law, Jared Kushner seeking to set up a secret communications channel between Trump’s transition team and the Kremlin.

Mattis to West Point grads: Terrorism must not define us

Defense Secretary James Mattis tells graduating cadets at West Point that terrorism must not "warp our sense of normal" as he spoke about the deadly Manchester attack.

Watch: President Trump's full speech to U.S. troops in Italy

President Trump concluded his first overseas trip on May 27 with a visit to U.S. military troops and their families at the Sigonella Naval Air Station in Sigonella, Italy.

First lady Melania Trump speaks to U.S. troops in Italy

As President Trump looked on from stage, first lady Melania Trump spoke to U.S. troops at the Sigonella Naval Air Station in Sigonella, Italy.

Trump: Israeli Prime Minister Netanyahu is 'ready to reach for peace.'

President Trump told troops at the Sigonella Naval Air Station in Sigonella, Italy that Israeli Prime Minister Benjamin Netanyahu "assured" him that is he "ready" to "reach for peace" with the Palestinians.

Trump makes splashy entrance during visit to U.S. military in Italy

President Trump and first lady Melania Trump visited U.S. military at the Naval Air Station Sigonella in Italy on May 27 at the conclusion of the Trump's first overseas trip.

Trump says 'money is starting to pour into NATO' from member countries

Speaking to troops at Sigonella Naval Air Station in Sicily, President Trump said some unspecified NATO member countries have contributed more to meet the alliance's payment obligations since he became president.

Trump on his first overseas trip: 'I think we hit a home run.'

President Trump spoke to U.S. troops stationed at Sigonella Naval Air Station in Sigonella, Italy at the conclusion of his first foreign trip as president.

First lady Melania Trump joins G-7 spouses in art and garden tour

Spouses of the G-7 and African leaders visited a medieval palace in Taormina, Italy to view masterpieces by Italian artists.

Russian ambassador told Moscow that Kushner wanted secret channel with Kremlin

Sergey Kislyak reported to his superiors in December that Jared Kushner, President Trump’s son-in-law and adviser, asked him about setting up a communications channel between the transition team and the Kremlin using Russian facilities in the United States.

Violent clashes keeping Venezuelan children away from school

The dangerous protests in Caracas are keeping children from going to school and are also concerning school staff who are afraid they won't be able to get home in the evenings.

PGA tournament comes to Trump's golf course near D.C.

The Washington Post's David Fahrenthold explains how President Trump's brand stands to gain positive publicity from the Senior PGA Championship hosted at Trump National Golf Club in Virginia.

Untangling the web of Jared Kushner

What you need to know about Jared Kushner's ties to Russia.

Clinton calls Trump's budget 'a con'

Hillary Clinton told Wellesley College graduates the president's budget proposal is a "con" covered by a "trillion-dollar mathematical lie."

Clinton speaks at Wellesley College commencement

Former secretary of state Hillary Clinton delivered the commencement address at Wellesley College in Wellesley, Mass. on May 26.

Latest from Post video journalists

Behind the circumcision ritual

Behind the circumcision ritual

Adults attending conversion classes at Sixth and I synagogue learn about the traditions behind the ancient Jewish practice of circumcision.

Google Chromecast at The Washington Post: How you can watch

Google Chromecast at The Washington Post: How you can watch

PostTV has incorporated technology that allows you to play any of our videos on your TV set through the popular Chromecast device. That means you can watch videos and news shows from The Washington Post and control the playback right from your computer, tablet or smartphone.

Property rights and the pipeline

South Dakota rancher John Harter tried to stop TransCanada from securing the right of eminent domain over his land where they want to put part of the proposed Keystone XL pipeline, but Harter recently lost his battle in court.

Brazil swept up by new energy source

Brazil swept up by new energy source

In Northeastern Brazil, energy companies are erecting wind farms to capitalize on the constant winds that have challenged farming families for generations.

Making the most out of your museum visit

Making the most out of your museum visit

The Post's Anne Midgette shares five tips for how to get the most out of your visit to a museum.

Obama slams GOP: 'Do your job'

Obama slams GOP: 'Do your job'

A mashup of highlights from the president's speech on the government shutdown at M. Luis Construction company in Rockville, Md. Thursday.