President Barack Obama talks on the phone with NASA's Curiosity Mars rover team aboard Air Force One during a flight to
RMCWGJJEPresident Barack Obama talks on the phone with NASA's Curiosity Mars rover team aboard Air Force One during a flight to
President Barack Obama talks on the phone
RMBXJRW6President Barack Obama talks on the phone
President Barack Obama talks on the phone with President Franois Hollande of France in the Oval Office, Aug. 9, 2014.   Ph
RME9W989President Barack Obama talks on the phone with President Franois Hollande of France in the Oval Office, Aug. 9, 2014. Ph
U.S. President Barack Obama talks on the phone on Thanksgiving Day at the White House Oval Office November 24, 2016 in Washington, DC.
RMHDPGWXU.S. President Barack Obama talks on the phone on Thanksgiving Day at the White House Oval Office November 24, 2016 in Washington, DC.
U.S President Barack Obama talks on phone with Israeli Prime Minister Benjamin Netanyahu in Oval Office Washington D.C.  -
RMDK6M7CU.S President Barack Obama talks on phone with Israeli Prime Minister Benjamin Netanyahu in Oval Office Washington D.C. -
President Barack Obama talks on the phone in the Oval Office 1/27/09. Official White House Photo by Pete Souza
RFPY6X95President Barack Obama talks on the phone in the Oval Office 1/27/09. Official White House Photo by Pete Souza
President Barack Obama talks on the phone in the Oval Office with Russian President Vladimir Putin about the situation in Ukraine March 1 2014.
RM2F12KRYPresident Barack Obama talks on the phone in the Oval Office with Russian President Vladimir Putin about the situation in Ukraine March 1 2014.
President Barack Obama talks on the phone with a Member of Congress while en route to a health care event, March 19, 2010. Assistant to the President for Legislative Affairs Phil Schiliro rides with the President
RM2F0XGH6President Barack Obama talks on the phone with a Member of Congress while en route to a health care event, March 19, 2010. Assistant to the President for Legislative Affairs Phil Schiliro rides with the President
United States President Barack Obama talks on the phone with President Hosni Mubarak of Egypt in the Oval Office,  Friday, January 28, 2011.   U.S. Vice President Joe Biden, left, and the President's National Security team listen in the background.  .Mandatory Credit: Pete Souza - White House via CNP | usage worldwide
RM2B1EN2MUnited States President Barack Obama talks on the phone with President Hosni Mubarak of Egypt in the Oval Office, Friday, January 28, 2011. U.S. Vice President Joe Biden, left, and the President's National Security team listen in the background. .Mandatory Credit: Pete Souza - White House via CNP | usage worldwide
HANDOUT - President Barack Obama talks on the phone with House Minority Leader Nancy Pelosi in the Oval Office to discuss ongoing efforts in the debt limit and deficit reduction talks, Sunday, July 31, 2011. Pictured, from left, are: Phil Schiliro; Assistant to the President and Special Advisor; Senior Advisor David Plouffe; Nancy-Ann DeParle, Deputy Chief of Staff for Policy; Bruc
RMDAP8YJHANDOUT - President Barack Obama talks on the phone with House Minority Leader Nancy Pelosi in the Oval Office to discuss ongoing efforts in the debt limit and deficit reduction talks, Sunday, July 31, 2011. Pictured, from left, are: Phil Schiliro; Assistant to the President and Special Advisor; Senior Advisor David Plouffe; Nancy-Ann DeParle, Deputy Chief of Staff for Policy; Bruc
President Barack Obama talks on the phone with Haitian President René Préval in the Oval Office, Friday, January 15, 2010. .Mandatory Credit: Pete Souza - White House via CNP
RMJMXKGNPresident Barack Obama talks on the phone with Haitian President René Préval in the Oval Office, Friday, January 15, 2010. .Mandatory Credit: Pete Souza - White House via CNP
United States President Barack Obama talks on the phone while Vice President Joe Biden, his National Security Advisor Anthony Blinken, and Puneet Talwar, Senior Director for Iraq, Iran and the Gulf States wait nearby in the Oval Office, November 4, 2010. .Mandatory Credit: Pete Souza - White House via CNP/Sipa USA
RM2F0MAX6United States President Barack Obama talks on the phone while Vice President Joe Biden, his National Security Advisor Anthony Blinken, and Puneet Talwar, Senior Director for Iraq, Iran and the Gulf States wait nearby in the Oval Office, November 4, 2010. .Mandatory Credit: Pete Souza - White House via CNP/Sipa USA
United States President Barack Obama talks on the phone with President Hosni Mubarak of Egypt in the Oval Office,  Friday, January 28, 2011.   U.S. Vice President Joe Biden, left, and the President's National Security team listen in the background.  .Mandatory Credit: Pete Souza - White House via CNP /MediaPunch
RM2B1F3D6United States President Barack Obama talks on the phone with President Hosni Mubarak of Egypt in the Oval Office, Friday, January 28, 2011. U.S. Vice President Joe Biden, left, and the President's National Security team listen in the background. .Mandatory Credit: Pete Souza - White House via CNP /MediaPunch