WASHINGTON, DC - SEPTEMBER 08: Rapper and Kennedy Center Artistic Director for Hip-Hop Culture, Q-Tip recites a poem during the President's Committee on the Arts and the Humanities poetry reading at the White House, September 8, 2016 in Washington, DC. First lady Michelle Obama hosted the event to honor five students with the nation's highest honor for teen poets presenting original work. (Photo by Mark Wilson/Getty Images)

*** BESTPIX *** WASHINGTON, DC - SEPTEMBER 08: U.S. Vice President Joseph Biden speaks as Senate Minority Leader Sen. Harry Reid (D-NV), House Minority Leader Rep. Nancy Pelosi (D-CA) and other Senate and House Democrats listen during a press event on the House East Front Steps of the Capitol September 8, 2016 in Washington, DC. Congressional Democrats urge the Republicans to "do your job!" (Photo by Alex Wong/Getty Images)

*** BESTPIX *** WASHINGTON, DC - SEPTEMBER 08: Thousands of members of the United Mine Workers of America, including retired miner Bill Rising of Indiana, Pennsylvania, gather to call on Congress to pass the Miners Proteciton Act during a rally on the National Mall September 8, 2016 in Washington, DC. The union and its supporters in Congress say the federal government should honor a 1947 promise to provide for the pension and healthcare benefits of retired miners. About 100 protesters from the UMWA were arrested for blocking traffic on Pennslylvania Avenue following the rally. (Photo by Chip Somodevilla/Getty Images)

Former U.S. Secretary of State Colin Powell (R) takes part in an onstage interview with Aspen Institute President and CEO Walter Isaacson (L) at the Washington Ideas Forum in Washington, September 30, 2015. REUTERS/Jonathan Ernst/File Photo

WASHINGTON, DC - SEPTEMBER 08: U.S. Capitol Police arrest about 100 members of the United Mine Workers of America as they block traffic on Pennsylvania Avenue near the U.S. Capitol following a rally on the National Mall September 8, 2016 in Washington, DC. The union and its supporters say Congress should pass the Miners Protection Act and honor a 1947 federal government promise to provide for the pension and healthcare benefits of retired miners. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - SEPTEMBER 08: Members of the United Mine Workers of America toss white crosses into a mock casket during a protest on Capitol Hill September 8, 2016 in Washington, DC. The union and its supporters in Congress say the federal government should honor a 1947 promise to provide for the pension and healthcare benefits of retired miners. About 100 protesters from the UMWA were arrested for blocking traffic on Pennslylvania Avenue following the rally. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - SEPTEMBER 08: Members of the United Mine Workers of America bow their heads in prayer during a rally on Capitol Hill September 8, 2016 in Washington, DC. The union and its supporters in Congress say the federal government should honor a 1947 promise to provide for the pension and healthcare benefits of retired miners. About 100 protesters from the UMWA were arrested for blocking traffic on Pennslylvania Avenue following the rally. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - SEPTEMBER 08: Rep. Bobby Scott (D-VA) addresses thousands of members of the United Mine Workers of America as they gather for a rally on the National Mall September 8, 2016 in Washington, DC. The union and its supporters in Congress say the federal government should pass the Miners Protection Act and honor a 1947 promise to provide for the pension and healthcare benefits of retired miners. (Photo by Chip Somodevilla/Getty Images)