President Barack Obama greets four of the nine 2014 Kavli Prize laureates with representatives from the Kavli Foundation and other guests in the Oval Office, July 31, 2014. The 2014 Kavli Prize laureates were selected for making fundamental contributions to the theory of cosmic inflation, to our understanding of the resolution limits of optical microscopy, and for the discovery of specialized brain networks for memory and cognition.

President Barack Obama greets four of the nine 2014 Kavli Prize laureates with representatives from the Kavli Foundation and other guests in the Oval Office, July 31, 2014. The 2014 Kavli Prize laureates were selected for making fundamental contributions to the theory of cosmic inflation, to our understanding of the resolution limits of optical microscopy, and for the discovery of specialized brain networks for memory and cognition.

President Barack Obama meets with bicameral congressional leaders and the chairs and ranking members of congressional national security committees to consult with them about ongoing U.S. efforts to respond to the conflicts in Ukraine, Iraq, Gaza, Syria, and other issues, in the Cabinet Room of the White House, July 31, 2014. Participants seated with the President, from left, are: Sen. Bob Corker, R-Tenn., Ranking Member, Foreign Relations Committee; Sen. Harry Reid, D-Nev., Majority Leader; and Sen. Mitch McConnell, R-Ky., Minority Leader.

President Barack Obama meets with bicameral congressional leaders and the chairs and ranking members of congressional national security committees to consult with them about ongoing U.S. efforts to respond to the conflicts in Ukraine, Iraq, Gaza, Syria, and other issues, in the Cabinet Room of the White House, July 31, 2014. Participants seated with the President,  from left, are: Sen. Bob Corker, R-Tenn., Ranking Member, Foreign Relations Committee; Sen. Harry Reid, D-Nev., Majority Leader; and Sen. Mitch McConnell, R-Ky., Minority Leader.

July 31, 2014 "It’s true that the President has a calm demeanor. Not always though. Here the President expresses his dismay at comments from a Republican member of Congress discussing the administration’s policy in Syria during a meeting with the chairs and ranking members of congressional national security committees. This frank exchange was later reported in the press." (Official White House Photo by Pete Souza) This official White House photograph is being made available only for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be manipulated in any way and may not be used in commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.

July 31, 2014
"It's true that the President has a calm demeanor.  Not always though. Here the President expresses his dismay at comments from a Republican member of Congress  discussing the administration's policy in Syria during a meeting with the chairs and ranking members of congressional national security committees. This frank exchange was later reported in the press." 
(Official White House Photo by Pete Souza)

This official White House photograph is being made available only for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be manipulated in any way and may not be used in commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.

President Barack Obama and Vice President Joe Biden meet with bicameral congressional leaders and the chairs and ranking members of congressional national security committees to consult with them about ongoing U.S. efforts to respond to the conflicts in Ukraine, Iraq, Gaza, Syria, and other issues, in the Cabinet Room of the White House, July 31, 2014.

President Barack Obama and Vice President Joe Biden meet with bicameral congressional leaders and the chairs and ranking members of congressional national security committees to consult with them about ongoing U.S. efforts to respond to the conflicts in Ukraine, Iraq, Gaza, Syria, and other issues, in the Cabinet Room of the White House, July 31, 2014.

White House Innovation for Disaster Response and Recovery Demo Day

The White House hosts an event bringing together technologists, entrepreneurs, and members of the disaster response community to showcase tools that will make a tangible impact in the lives of survivors of large-scale emergencies. July 29, 2014.

World Hepatitis Day 2014

U.S. and international leaders gather at the White House to commemorate World Hepatitis Day, discussing the global impact of viral hepatitis and the importance of public health leadership. July 30, 2014.

The President Speaks in Kansas City, Missouri

President Obama delivers remarks on the economy, at the Uptown Theater in Kansas City, Missouri, July 30, 2014.

“Stop being mad all the time. Stop just hatin’ all the time. Let’s get some work done together.” —President Obama on why it’s time for Republicans in Congress to join him in helping expand opportunity for more Americans. #DoYourJobHouseGOP

President Obama: “You don’t have time to be cynical. Hope is a better choice.”

President Obama speaks on expanding opportunity for more Americans at the Uptown Theater in Kansas City, Missouri. July 30, 2014.

“Somebody who never quits, somebody who is doing everything right, somebody who believes in the American Dream. Somebody who just wants a chance to build a decent life for himself and his family. And that’s the vast majority of Americans. That’s who I’m fighting for right here in Kansas City and all across this country. That’s why I ran for President in the first place.” —President Obama