WE THE PEOPLE

President Barack Obama bids farewell to Prime Minister Matteo Renzi of Italy at the entranceway to the West Wing Lobby of the White House of the White House, April 17, 2015. (Official White House Photo by Pete Souza)

President Barack Obama walks across the Rose Garden of the White House on his way to signing the bill H.R. 2 Medicare Access and CHIP Reauthorization Act of 2015, April 16, 2015. (Official White House Photo by Lawrence Jackson)

First Lady Michelle Obama joins students for the spring garden planting in the White House Kitchen Garden, April 15, 2015. (Official White House Photo by Chuck Kennedy)

President Barack Obama greets Prime Minister Haider al-Abadi of Iraq and the Iraqi delegation prior to a meeting in the Oval Office, April 14, 2015. (Official White House Photo by Pete Souza)

President Barack Obama talks with 4-H Science, Technology, Engineering and Math (STEM) students during their visit, with Agriculture Secretary Tom Vilsack, to the Oval Office, April 13 2015. (Official White House Photo by Pete Souza)

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U.S 5TH FLEET AREA OF OPERATIONS (April 14, 2015) A Sailor welds metal in the pipe shop aboard the Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71). Theodore Roosevelt is deployed in the U.S. 5th Fleet area of responsibility supporting Operation Inherent Resolve, strike operations in Iraq and Syria as directed, maritime security operations and theater security cooperation efforts in the region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Josh Petrosino/Released)

U.S. Army and British paratroopers perform a static-line jump onto Holland Drop Zone during Combined Joint Operational Access Exercise 15-01 at Fort Bragg, N.C., April 13, 2015. CJOAX 15-01 is an 82nd Airborne Division-led bilateral training event at Fort Bragg, N.C., from April 13-20, 2015. This is the largest exercise of its kind held at Fort Bragg in nearly 20 years and demonstrates interoperability between U.S. and U.K. Army soldiers and U.S. Air Force, Air National Guard, Royal Air Force Airmen and U.S. Marines. (U.S. Air Force photo by Senior Airman Jasmonet Jackson/Released)

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EAST CHINA SEA (April 11, 2015) Boatswain’s Mate 2nd Class Vincent Neighbor monitors nearby surface contacts from the starboard bridge wing of the amphibious transport dock ship USS Green Bay (LPD 20). Green Bay, part of the Bonhomme Richard Amphibious Ready Group, is underway in the U.S. 7th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Edward Guttierrez III/Released)