A group of people on the National Mall react as President Barack Obama is ceremonially sworn in for a second term as the 44th President of the United States in Washington, D.C., on Jan. 21.

Quinnette Ellis from Tampa Bay, Fla., stands with flags near the U.S. Capitol building on the National Mall after the Inauguration ceremony on Jan. 21 in Washington, D.C.

People cheer on the National Mall during the ceremonial swearing-in ceremonies on the West front of the U.S. Capitol in Washington, D.C., on Jan. 21.

Spectators react on the National Mall during the 57th inauguration ceremony for President Barack Obama and Vice President Joe Biden on the West front of the U.S. Capitol, in Washington, D.C., on Jan. 21.

Flags fly as the crowd on the National Mall cheers during inauguration ceremonies on Jan. 21.

Gustavo Cinfuentes, left, and Greg Josken listen as President Barack Obama speaks during his public swearing-in ceremony as they stand on the National Mall during the Inauguration ceremony on Jan. 21 in Washington, D.C.

Revelers celebrate in front of the Washington Monument near the U.S. Capitol building on the National Mall while attending the public inauguration ceremony on Jan. 21 in Washington, D.C.

People gather near the U.S. Capitol building on the National Mall while attending the public inauguration ceremony on Jan. 21 in Washington, D.C.

Spectators arrive for the inauguration ceremonies of President Barack Obama in Washington, D.C, on Jan. 21.

U.S. Supreme Court Chief Justice John Roberts administers the oath of office to President Barack Obama as first lady Michelle Obama and daughters Malia and Sasha look on during ceremonies on the West front of the U.S Capitol in Washington, D.C. on Jan. 21.

Vice President Joe Biden is sworn-in as his wife Jill holds the Biden Family Bible during the 57th Presidential Inauguration ceremonial swearing-in at the U.S. Capitol on Jan. 21.

President Barack Obama speaks after taking the oath of office at the U.S. Capitol on Jan. 21 in Washington, D.C.

Former President Bill Clinton and Secretary of State Hillary Clinton arrive for the 57th Presidential Inauguration ceremonial swearing-in at the U.S. Capitol on Jan. 21 in Washington D.C.

U.S. Senator John McCain (R-AZ) gestures to U.S. Rep. Peter King before the presidential inauguration on the West Front of the U.S. Capitol in Washington D.C. on Jan. 21.

Singer Beyoncé and husband Jay Z arrive for the 57th Presidential Inauguration ceremonial swearing-in.

Musicians John Mayer and Katy Perry attend the presidential inauguration on the West Front of the U.S. Capitol.

U.S. Rep. Paul Ryan (R-WI) arrives for the Barack Obama second presidential inauguration on the West Front of the U.S. Capitol on Jan. 21.

Sen. Charles Schumer, D-N.Y., arrives at the U.S. Capitol for the ceremonial swearing-in of President Barack Obama during the 57th Presidential Inauguration in Washington, D.C.

Placemarks are set for the Obama and Biden families before the presidential inauguration on the West Front of the U.S. Capitol on Jan. 21 in Washington, D.C.

Placemarks are set for the Obama and Biden families before the presidential inauguration.

Catering staff arrange seats for an inaugural luncheon in Statuary Hall, which is scheduled after Barack Obama's ceremonial swearing in at the U.S. Capitol on Capitol Hill.

A place card for President Barack Obama is pictured prior to the inaugural luncheon that will follow the Signing ceremony in the Capitol on Jan. 21.

The head table for the Inaugural luncheon, which shall be held after U.S. President Barack Obama ceremonial swearing in at the U.S. Capitol, is photographed at Statuary Hall in Washington, D.C. on Jan. 21.

Spectators are seen before the inauguration of President Barack Obama, in Washington D.C.

Brandon Adamski and Alicia Burke keep warm in a blanket as they and others gather near the U.S. Capitol building on the National Mall for the Inauguration ceremony on Jan. 21, in Washington, D.C.

People stand in the cold as they wait for the start of the presidential inauguration on the West Front of the U.S. Capitol in Washington, D.C.

People gather near the U.S. Capitol on the National Mall for the Inauguration ceremony.

A man rides a bicycle as he passes by a sign marking the entrance of the village of Barakovo, Bulgaria on Jan. 21, 2013.

Children from Barakovo's kindergarten pose for a picture next to a life-size cardboard cut-out of Barack Obama, inside the village's cultural club on Jan. 21, 2013.

President Barack Obama, left, takes the oath of office from U.S. Supreme Court Chief Justice John Roberts, right, as first lady Michelle Obama holds the bible and daughters Malia and Sasha look on in the Blue Room of the White House, Jan. 20, in Washington, D.C. Obama and Vice President Joe Biden were officially sworn in a day before the ceremonial inaugural swearing-in.

President Barack Obama gets a hug from his daughter Malia as wife Michelle, left, and daughter Sasha look on in the Blue Room of the White House in Washington, D.C., Jan. 20.

The Martin Luther King Jr. Monument stands within view of the Washington Monument on the mall in Washington, D.C.

Early visitors to the Martin Luther King Jr. monument take pictures.

U.S. Army Maj. Gen. Michael Linnington, center, commander of the Joint Force Headquarters National Capital Region (JFHQ-NCR), is flanked by actors portraying President Barack Obama, first lady Michelle Obama, Vice President Joe Biden and his wife, Jill Biden, as they arrive to review troops during a dress rehearsal for the inaugural parade at the U.S. Capitol in Washington on Jan.13. The official inauguration and swearing-in will take place Jan. 21.

A technician tests microphones on the stage.