WASHINGTON, DC - AUGUST 2: Shaun Casey, U.S. Special Representative for Religion and Global Affairs, and Ann Wallace Casey arrive at the White House August 2, 2016 in Washington, DC. President Barack Obama and first lady Michelle Obama are hosting a state dinner honoring Prime Minister Lee Hsien Loong of the Republic of Singapore. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 2: Daniel Russel, United States Assistant Secretary of State for East Asian & Pacific Affairs and Keiko Russel arrive at the White House August 2, 2016 in Washington, DC. President Barack Obama and first lady Michelle Obama are hosting a state dinner honoring Prime Minister Lee Hsien Loong of the Republic of Singapore. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 2: Former United States Representative Gabrielle Giffords (D-AZ) and Captain Mark Kelly arrive at the White House August 2, 2016 in Washington, DC. President Barack Obama and first lady Michelle Obama are hosting a state dinner honoring Prime Minister Lee Hsien Loong of the Republic of Singapore. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 2: Singer Chrisette Michele and Doug Ellison arrive at the White House August 2, 2016 in Washington, DC. President Barack Obama and first lady Michelle Obama are hosting a state dinner honoring Prime Minister Lee Hsien Loong of the Republic of Singapore. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 2: Timothy Armstrong, Chairman & Chief Executive Officer, AOL Inc., and Nancy Armstrong arrive at the White House August 2, 2016 in Washington, DC. President Barack Obama and first lady Michelle Obama are hosting a state dinner honoring Prime Minister Lee Hsien Loong of the Republic of Singapore. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 2: Yolanda Parker, Chief Executive Officer, The Collective Group and Fred Parker arrive at the White House August 2, 2016 in Washington, DC. President Barack Obama and first lady Michelle Obama are hosting a state dinner honoring Prime Minister Lee Hsien Loong of the Republic of Singapore. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 2: U.S. Army Major Jeremy Haynes and his wife US Army Reserves Sergeant First Class Chelsea Haynes arrive at the White House August 2, 2016 in Washington, DC. President Barack Obama and first lady Michelle Obama are hosting a state dinner honoring Prime Minister Lee Hsien Loong of the Republic of Singapore. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 2: Author Amy Tan arrives at the White House August 2, 2016 in Washington, DC. President Barack Obama and first lady Michelle Obama are hosting a state dinner honoring Prime Minister Lee Hsien Loong of the Republic of Singapore. (Photo by Ron Sachs-Pool/Getty Images)