Republican Governor Pat McCrory of North Carolina makes remarks during a "Growth and Jobs in America" discussion at the National Governors Association Winter Meeting in Washington, February 23, 2014. REUTERS/Mike Theiler

U.S. Vice President Joe Biden delivers remarks at a conference of the Center for New American Security think tank in Washington U.S., June 20, 2016. REUTERS/Carlos Barria

The headquarters of the Democratic National Committee is seen in Washington, U.S. June 14, 2016. REUTERS/Gary Cameron

Appeals Court Judge Merrick Garland speaks in the Rose Garden of the White House after being nominated by President Barack Obama (not pictured) to the U.S. Supreme Court in Washington, U.S., March 16, 2016. REUTERS/Kevin Lamarque/File Photo

WASHINGTON, DC - AUGUST 11: Rep. Steve Israel (D-NY) speaks during a press conference at the U.S. Capitol August 11, 2016 in Washington, DC. Israel spoke on a range of topics including recent comments by Republican presidential nominee Donald Trump and also urging members of the House Republican caucus to return to Washington during the August recess to work on legislation addressing the Zika virus and other issues. Also pictured (L-R) are Rep. Rose DeLauro (D-NY) and Rep. Donna Edwards (D-MD). (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - AUGUST 11: Rep. Rosa DeLauro (D-CT) speaks during a press conference at the U.S. Capitol August 11, 2016 in Washington, DC. DeLauro spoke on a range of topics including recent comments by Republican presidential nominee Donald Trump and also urging members of the House Republican caucus to return to Washington during the August recess to work on legislation addressing the Zika virus and other issues. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - AUGUST 11: House Democratic Leader Nancy Pelosi (R) (D-CA) arrives with Rep. Xavier Becerra (D-CA) for a press conference at the U.S. Capitol August 11, 2016 in Washington, DC. Pelosi spoke on a range of topics including recent comments by Republican presidential nominee Donald Trump and also urged members of the House Republican caucus to return to Washington during the August recess to work on legislation addressing the Zika virus and other issues. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - AUGUST 11: Rep. Rosa DeLauro (D-CT) speaks during a press conference at the U.S. Capitol August 11, 2016 in Washington, DC. DeLauro spoke on a range of topics including recent comments by Republican presidential nominee Donald Trump and also urging members of the House Republican caucus to return to Washington during the August recess to work on legislation addressing the Zika virus and other issues. (Photo by Win McNamee/Getty Images)