Updated

ARE CHANGES COMING TO THE WHITE HOUSE?

President Trump’s first big move on the heels of his first foreign trip of his presidency could be to overhaul his White House staff. According to a report, Trump may bring back top campaign strategists, hire a PR staff and roundup a team of lawyers after more reports of alleged Russian interference in the 2016 presidential election surfaced last week. Trump has reportedly entertained the idea of bringing back former campaign manager Corey Lewandowski and former deputy campaign manager David Bossie.

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DHS CHIEF: NO ‘BIG DEAL’ IF KUSHNER TRIED BACK-CHANNEL NETWORK WITH RUSSIA

DURBIN TO SENATE REPUBLICANS: ‘LET’S SIT DOWN TOGETHER’ ON OBAMACARE OVERHAUL

MATTIS: WAR WITH NORTH KOREA WOULD BE ‘CATASTROPHIC’

Defense Secretary James Mattis said in a televised interview Sunday that war with North Korea would be “probably the worst kind of fighting in most people’s lifetime.” Mattis did not mince words when speaking about a potential conflict, calling possible conflict “catastrophic.” Hours later, North Korea test a ballistic missile off of its eastern coast. The U.S. military said the missile flew for six minutes until it landed in the Sea of Japan – in its economic zone.

NORTH KOREA TESTS SHORT-RANGE BALLISTIC MISSILE, US MILITARY SAYS

COMPLETE COVERAGE OF CRISIS OVER NORTH KOREA

MERKEL SAYS EUROPEAN UNION MUST CONTROL ITS OWN DESTINY

German Chancellor Angela Merkel said Sunday that “the past few days” have shown her that European Union nations must maintain friendships with the United States and Great Britain, but also put "our destiny into their own hands.”  Merkel did not mention President Trump by name, but her comments have been widely interpreted as a response to the president declining to join six other countries in reaffirming their commitment to the 2015 Paris Climate Agreement at the G-7 summit in Sicily that ended Sunday.

ERIC SHAWN REPORTS: MERKEL’S MESSAGE TO PRESIDENT TRUMP

MACRON SAYS TRUMP HANDSHAKE WAS ‘MOMENT OF TRUTH’

DHS CHIEF CONSIDERS LAPTOP BAN ON ALL INCOMING US FLIGHTS

Homeland Security Secretary John Kelly said in an interview on “Fox News Sunday” he is considering a ban on passengers carrying laptop computers on all international flights in and out of the United States. “I might,” he said.” “There's a real threat -- numerous threats against aviation. That's really the thing that they are obsessed with, the terrorists, the idea of knocking down an airplane in flight, particularly if it's a U.S. carrier, particularly if it's full of mostly U.S. folks.”

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MATTIS: US USING ‘ANNIHILATION TACTICS’ IN FINAL STAGES OF ISIS FIGHT IN MOSUL

TED NUGENT: THERE’S ‘NO LIMIT TO WHAT I’D BE WILLING TO DO TO HELP MAKE THIS COUNTRY GREAT’

Ted Nugent is ready to serve his country whether that's in office or as a musician. The outspoken rock guitarist addressed rumors that began swirling in February that he planned to run for Senate in 2018. "Well, I'm a terminal 'we the people American patriot' and I think I'm doing the most important political job in the world and that is participating in the scared experiment of self-government and demanding constitutional accountability from our elected employees," he said.

SI MODEL: ‘I AM PROUD TO BE AN AMERICAN’

AMERICA A PROMISED LAND?

NAVY PARACHUTIST KILLED AFTER CHUTE FAILS TO DEPLOY DURING FLEET WEEK SHOW

COMING UP ON FNC

9:00 a.m. ET: Memorial Day observance at the National WWII Memorial to “honor and remember more than 400,000 Americans who lost their live during WWII.” Watch coverage on Fox News and FoxNews.com.

10:55 a.m. ET: President Trump honors fallen men and women of the Armed Forces with a wreath-laying ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery. Watch coverage on Fox News and FoxNews.com.