In this Nov. 15, 2016 file photo, House Speaker Paul Ryan of Wis. speaks during a news conference on Capitol Hill in Washington. Congress ushers in a new era of all-Republican rule, with a tight GOP grip on the House, a slim majority in the Senate and a newfound ally in the White House in Donald Trump. (AP Photo/Cliff Owen) 

Mourners carry the Turkish flag-draped coffin of Yunus Gormek, 23, one of the victims of the attack at a nightclub on New Year's Day, during the funeral in Istanbul, Monday, Jan. 2, 2017. An assailant armed with a long-barrelled weapon, opened fire at the nightclub in Istanbul's Ortakoy district during New Year's celebrations, killing dozens of people and wounding many others. (AP Photo/Emrah Gurel) 

House Judiciary Committee Chairman Rep. Bob Goodlatte, R-Va., listens to testimony on Capitol Hill in Washington, May 19, 2015. House Republicans on Monday, Jan. 2, 2017, voted to eviscerate the Office of Congressional Ethics. Under the ethics change pushed by Goodlatte, the independent body would fall under the control of the House Ethics Committee, which is run by lawmakers. (AP Photo/Jacquelyn Martin, File) 

In this Dec. 8, 2016 file photo, House Speaker Paul Ryan of Wis., and others, listen as Senate Majority Leader Mitch McConnell of Ky., speaks on Capitol Hill in Washington. Republicans' grip on all levers of power stands as a mandate to the GOP-led Congress, which will move swiftly to try to undo eight years of outgoing President Barack Obama's agenda. (AP Photo/Cliff Owen, File) 

Osama Abu Zeid of the the main moderate Syrian opposition group Free Syrian Army, shows what he said is a copy of the five-point cease-fire agreement for Syria, during a news conference in Ankara, Turkey, Thursday, Dec. 29, 2016. 

(AP Photo/Max Becherer, File) 

In this Dec. 17 file photo, President-elect Donald Trump speaks during a rally at Ladd-Peebles Stadium in Mobile, Ala. 

This June 18, 2015, file photo, provided by the Charleston County Sheriff's Office shows Dylann Roof. Roof was convicted Thursday, Dec. 15, 2016, in the chilling attack on nine black church members who were shot to death last year during a Bible study, affirming the prosecution's portrayal of a young white man who hoped the slayings would start a race war or bring back segregation. (Charleston County Sheriff's Office via AP, File)