Donald Trump in Poland

Members of the Polish security forces stand on a rooftop prior to U.S. President Donald Trump's speech in Krasinski Square, in Warsaw, Poland, Thursda...

Former New York Mayor Rudolph Giuliani, right, poses for a photograph with Poland's former president and legendary Solidarity freedom movement founder...

U.S. President Donald Trump delivers a speech in Krasinski Square, in Warsaw, Poland, Thursday, July 6, 2017.(AP Photo/Petr David Josek)

U.S. President Donald Trump delivers a speech in Krasinski Square, in Warsaw, Poland, Thursday, July 6, 2017.(AP Photo/Petr David Josek), APTOPIX

U.S. President Donald Trump kisses his wife U.S. First Lady Melania Trump, in Krasinski Square, in Warsaw, Poland, Thursday, July 6, 2017.(AP Photo/Pe...

U.S President Donald Trump delivers a speech at Krasinski Square, in Warsaw, Thursday July 6, 2017. Trump is addressing thousands of Poles from Krasin...

U.S. President Donald Trump kisses his wife U.S. First Lady Melania Trump, in Krasinski Square, in Warsaw, Poland, Thursday, July 6, 2017.(AP Photo/Pe...

U.S. President Donald Trump delivers a speech in Krasinski Square, in Warsaw, Poland, Thursday, July 6, 2017.(AP Photo/Petr David Josek), APTOPIX

U.S. President Donald Trump delivers a speech in Krasinski Square, in Warsaw, Poland, Thursday, July 6, 2017.(AP Photo/Petr David Josek)

President Donald Trump waves as he arrives to deliver a speech at Krasinski Square at the Royal Castle, Thursday, July 6, 2017, in Warsaw. (AP Photo/E...

U.S. President Donald Trump delivers a speech in Krasinski Square, in Warsaw, Poland, Thursday, July 6, 2017.(AP Photo/Petr David Josek)

President Donald Trump delivers a speech at Krasinski Square at the Royal Castle, Thursday, July 6, 2017, in Warsaw. (AP Photo/Evan Vucci)

President Donald Trump participates in a wreath laying ceremony before delivering a speech at Krasinski Square at the Royal Castle, Thursday, July 6,...

President Donald Trump participates in a wreath laying ceremony before delivering a speech at Krasinski Square at the Royal Castle, Thursday, July 6,...

People look on as President Donald Trump delivers a speech at Krasinski Square at the Royal Castle, Thursday, July 6, 2017, in Warsaw. (AP Photo/Evan...

People cheer President Donald Trump delivers a speech at Krasinski Square at the Royal Castle, Thursday, July 6, 2017, in Warsaw. (AP Photo/Evan Vucci...

People sit at a bus stop and listen to President Donald Trump deliver a speech at Krasinski Square at the Royal Castle, Thursday, July 6, 2017, in War...

President Donald Trump delivers a speech at Krasinski Square at the Royal Castle, Thursday, July 6, 2017, in Warsaw. (AP Photo/Evan Vucci)

U.S. President Donald Trump waves to a crowd after delivering a speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Petr D...

U.S. President Donald Trump delivers a speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Petr David Josek)

U.S. President Donald Trump stands on stage with his wive Melania after delivering a speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2...

U.S. President Donald Trump shake hands with veteran after delivering a speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2017. (AP Phot...

U.S. President Donald Trump delivers a speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Petr David Josek)

U.S. President Donald Trump delivers a speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Petr David Josek)

U.S. President Donald Trump arrives with his wife Melania to deliver a speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo...

U.S. President Donald Trump arrives to deliver a speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Petr David Josek)

Man holds a portrait of U.S. President Donald Trump before his speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Petr Da...

Crowd cheers for U.S. President Donald Trump during his speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Petr David Jos...

President Donald Trump waves as he arrives to deliver a speech at Krasinski Square at the Royal Castle, Thursday, July 6, 2017, in Warsaw. (AP Photo/E...

Former New York Mayor Rudy Giuliani, center, Lech Walesa, left, and others, listen as President Donald Trump speaks at Krasinski Square at the Royal C...

Demonstrators protest against the visit of US President Donald Trump in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Czarek Sokolowski)

Demonstrators protest against the visit of US President Donald Trump in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Czarek Sokolowski)

A woman takes a photo of a poster after U.S. President Donald Trump delivered a speech in Krasinski Square in Warsaw, Poland, Thursday, July 6, 2017....

Demonstrators protest against the visit of US President Donald Trump in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Czarek Sokolowski)

Demonstrators protest against the visit of US President Donald Trump in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Czarek Sokolowski)

U.S. President Donald Trump delivers a speech in Krasinski Square, in Warsaw, Poland, Thursday, July 6, 2017. (AP Photo/Alik Keplicz)

U.S. President Donald Trump delivers a speech in Krasinski Square, back dropped by the monument commemorating the 1944 Warsaw Uprising against the Naz...

Poland's ruling party leader Jaroslaw Kaczynski arrives for U.S. President Donald Trump's speech in Krasinski Square, in Warsaw, Poland, Thursday, Jul...

Poland's former president and legendary Solidarity freedom movement founder Lech Walesa poses for a picture before U.S. President Donald Trump's speec...

President Donald Trump and Poland's President Andrzej Duda during a welcome ceremony at the Royal Castle in Warsaw, Poland, July 6, 2017. Trump, deliv...

Former Polish President Lech Walesa, center, and former New York City Mayor Rudy Giuliani, right, listen to President Donald Trump speak at Krasinski...

Polish President Andrzej Duda (R) greets US President Donald Trump prior to meetings at the Royal Castle in Warsaw, Poland, July 6, 2017. / AFP PHOTO...

Polish President Andrzej Duda (R) greets US President Donald Trump prior to meetings at the Royal Castle in Warsaw, Poland, July 6, 2017. / AFP PHOTO...

Polish President Andrzej Duda (R) greets US President Donald Trump prior to meetings at the Royal Castle in Warsaw, Poland, July 6, 2017. / AFP PHOTO...

Polish President Andrzej Duda (R) greets US President Donald Trump prior to meetings at the Royal Castle in Warsaw, Poland, July 6, 2017. / AFP PHOTO...

Polish President Andrzej Duda (R) greets US President Donald Trump prior to meetings at the Royal Castle in Warsaw, Poland, July 6, 2017. / AFP PHOTO...

Polish President Andrzej Duda (R) and US President Donald Trump hold a meeting at the Royal Castle in Warsaw, Poland, July 6, 2017. / AFP PHOTO / SAUL...

Polish President Andrzej Duda (R) and US President Donald Trump hold a meeting at the Royal Castle in Warsaw, Poland, July 6, 2017. / AFP PHOTO / SAUL...

Polish President Andrzej Duda (R) and US President Donald Trump hold a meeting at the Royal Castle in Warsaw, Poland, July 6, 2017. / AFP PHOTO / SAUL...

Polish President Andrzej Duda (R) and US President Donald Trump shake hands prior to a meeting at the Royal Castle in Warsaw, Poland, July 6, 2017. /...