President Barack Obama: Chief Justice John Roberts

Barack Obama Dept: WASHINGTON - President Barack Obama took the oath of office for the second time in as many days on Monday, this time before as many as 800,000 jubilant Americans who cheered as he urged Americans to come together and uphold cherished U.S. principles of justice and equality, according to Winnipeg Free Press. On Sunday, the country's first African-American president was sworn in by John Roberts, chief justice of the U.S. Supreme Court, during an intimate ceremony at the White House. That's because the U.S. Constitution requires presidents take the oath of office on Jan. 20; when it falls on a Sunday, the public festivities are held the next day and president Barack Obama receives the oath of office from Chief Justice John Roberts as first lady Michelle Obama L-R and his daughters Malia and Sasha listen at the ceremonial swearing-in at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. AP Photo/Evan Vucci Obama's glitzy public swearing-in at the majestic Capitol building, featuring pop star Beyonce singing the national anthem, took place on the national holiday devoted to revered civil rights leader Martin Luther King Jr. (www.immigrantscanada.com). As reported in the news.