FEBRUARY 5, 2019 - WASHINGTON, DC: President Donald Trump delivered the State of the Union address, with Vice President Mike Pence and Speaker of the House Nancy Pelosi, at the Capitol in Washington, DC on February 5, 2019. Doug Mills/Pool via REUTERS

Image used for illustrative purpose. U.S. President Donald Trump signs a book titled "American Made" for U.S. Rep Billy Long (R-MO) after concluding his second State of the Union address to a joint session of the U.S. Congress in the House Chamber of the U.S. Capitol on Capitol Hill in Washington, U.S. February 5, 2019.

U.S. Capitol is seen as President Donald Trump delivers his second State of the Union address to a joint session of Congress in Washington, U.S., February 5, 2019.

Timothy Matson, guest of the First Lady, acknowledges applause as U.S. President Donald Trump delivers his second State of the Union address to a joint session of Congress in the House Chamber of the U.S. Capitol in Washington, U.S., February 5, 2019.

FEBRUARY 5, 2019 - WASHINGTON, DC: Representative Nita Lowey, D-NY, Alexandria Ocasio-Cortez, D-NY, and other House members during the State of the Union address at the Capitol in Washington, DC on February 5, 2019. Doug Mills/Pool via REUTERS

FEBRUARY 5, 2019 - WASHINGTON, DC: President Donald Trump delivered the State of the Union address, with Vice President Mike Pence and Speaker of the House Nancy Pelosi, at the Capitol in Washington, DC on February 5, 2019. Doug Mills/Pool via REUTERS

FEBRUARY 5, 2019 - WASHINGTON, DC: President Donald Trump delivered the State of the Union address, with Vice President Mike Pence and Speaker of the House Nancy Pelosi, at the Capitol in Washington, DC on February 5, 2019. Doug Mills/Pool via REUTERS

FEBRUARY 5, 2019 - WASHINGTON, DC: President Donald Trump delivered the State of the Union address at the Capitol in Washington, DC on February 5, 2019. Doug Mills/Pool via REUTERS

FEBRUARY 5, 2019 - WASHINGTON, DC: President Donald Trump after the State of the Union address at the Capitol in Washington, DC on February 5, 2019. Doug Mills/Pool via REUTERS

U.S. President Donald Trump's limousine is seen outside as he delivers his second State of the Union address to a joint session of Congress in Washington, U.S., February 5, 2019.

FEBRUARY 5, 2019 - WASHINGTON, DC: President Donald Trump before delivering the State of the Union address, with Vice President Mike Pence and Speaker of the House Nancy Pelosi, at the Capitol in Washington, DC on February 5, 2019. Doug Mills/The New York Times/Pool via REUTERS TPX IMAGES OF THE DAY

FEBRUARY 5, 2019 - WASHINGTON, DC: President Trump shook hands with Representative Billy Long, R-MO, after the State of the Union at the Capitol in Washington, DC on February 5, 2019. Doug Mills/Pool via REUTERS

First lady Melania Trump applauds with cancer survivor Grace Eline as she is mentioned by U.S. President Donald Trump as he delivers his second State of the Union address to a joint session of Congress at the U.S. Capitol in Washington, U.S. February 5, 2019.

U.S. President Donald Trump delivers his second State of the Union address to a joint session of Congress at the U.S. Capitol in Washington, U.S. February 5, 2019.