REUTERS/Yuri Gripas (UNITED STATES POLITICS)Democratic presidential nominee U. Senator Barack Obama (D-IL) walks with his (L-R) daughter Sasha, daughter Malia, and wife Michelle after his speech at the 2008 Democratic National Convention in Denver, Colorado August 28, 2008.REUTERS/Mike Segar (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)Illinois U. Senate candidate Democrat Barack Obama (2nd R), wife Michelle and their daughters Malia (R), 3, and Sasha (L), 6, spend time in their Chicago hotel room, November 2, 2004.Day of Service, January 19, 2015 in Washington, DC.
Obama is heading to San Francisco to take part in a Democratic National Committee roundtable discussion and to attend a Democratic Congressional Campaign Committee fundraiser.REUTERS/Jeff Haynes (UNITED STATES - Tags: POLITICS ELECTIONS USA PRESIDENTIAL ELECTION TPX IMAGES OF THE DAY) U. President Barack Obama with his family sing at the "Christmas in Washington" celebration at the National Building Museum in Washington December 11, 2011.(L-R) First lady Michelle Obama, their daughters Sasha and Malia, President Obama, singers Jennifer Hudson and Victoria Justice.(Photo by Pool/Getty Images)US First Lady Michelle Obama (C) and her daughter Malia joke with children during a lunch at the United States and Nato military base in Vicenza , northern Italy, on June 19, 2015.AFP PHOTO / ANDREAS SOLARO (Photo credit should read ANDREAS SOLARO/AFP/Getty Images)US President Barack Obama walks with daughter Malia (L) across Lafayette Park to Saint John's Episcopal Chuch for Sunday services on October 27, 2013 in Washington, DC.