WASHINGTON, DC - JUNE 23: U.S. Speaker of the House Paul Ryan (R-WI) departs after answering questions during a press conference at the U.S. Capitol June 23, 2016 in Washington, DC. Ryan addressed the continuing sit-in on the floor of the House of Representatives by members of the House Democratic caucus during his remarks. (Photo by Win McNamee/Getty Images)

US President Barack Obama speaks about the Supreme Court rulings on affirmative action and immigration in the Brady Press Briefing Room at the White House in Washington, DC, June 23, 2016. Obama on Thursday condemned the Supreme Court's ruling blocking his bid to change immigration policy as "heartbreaking" and urged Americans not to fear the millions of people who want to make their lives in the United States. / AFP PHOTO / SAUL LOEBSAUL LOEB/AFP/Getty Images

WASHINGTON, DC - JUNE 23: U.S. Speaker of the House Paul Ryan (R-WI) answers questions during a press conference at the U.S. Capitol June 23, 2016 in Washington, DC. Ryan addressed the continuing sit-in on the floor of the House of Representatives by members of the House Democratic caucus during his remarks. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - JUNE 23: U.S. Speaker of the House Paul Ryan (R-WI) answers questions during a press conference at the U.S. Capitol June 23, 2016 in Washington, DC. Ryan addressed the continuing sit-in on the floor of the House of Representatives by members of the House Democratic caucus during his remarks. (Photo by Win McNamee/Getty Images)

(FILES) This file photo taken on August 1, 2015 shows the US Supreme Court in Washington, DC. President Barack Obama's efforts to shield millions of illegal immigrants from deportation suffered a major setback at the US Supreme Court on June 23, 2016. The court tied 4-4 in a case concerning Obama's drive to change immigration policy by executive action, meaning that lower court rulings blocking his efforts remain in place. / AFP PHOTO / KAREN BLEIERKAREN BLEIER/AFP/Getty Images

WASHINGTON, DC - June 23: A supporter watches the proceedings being streamed live from the House floor by Democrats taking part in a sit-in on the House Chamber outside the U.S. Capitol on June 23, 2016 in Washington, DC. House Republicans attempted to end the 16-hour sit-in by Democrats early Thursday morning by adjourning for a recess through July 5. (Photo by Pete Marovich/Getty Images)

WASHINGTON, DC - June 23: Rep. Joe Kennedy III (D-MA) applauds supporters of House Democrats taking part in a sit-in on the House Chamber outside the U.S. Capitol on June 23, 2016 in Washington, DC. House Republicans attempted to end the 16-hour sit-in by Democrats early Thursday morning by adjourning for a recess through July 5. (Photo by Pete Marovich/Getty Images)

WASHINGTON, DC - June 23: Rep. Tammy Duckworth (D-IL), who is a participant in a sit-in on the House floor to demand a vote on gun control legislation, takes part in a TV interview outside of the House Chamber at the U.S. Capitol on June 23, 2016 in Washington, DC. House Republicans attempted to end the 16-hour sit-in by Democrats early Thursday morning by adjourning for a recess through July 5. (Photo by Pete Marovich/Getty Images)