Presiden AS Barack Obama mengambil sumpah jabatan di depan First Lady Michelle Obama pada Peresmian Presiden AS ke 57 di Capitol, Washington, DC. AS. Senin (21/1/2013) Hakim Agung John Roberts diberikan sumpah tersebut. (AFP PHOTO/Stan HONDA) *** Local Caption *** US President Barack Obama(L) takes the oath of office as his wife Michelle hold the Bible and family and Congressional members look on during the 57th Presidential Inauguration ceremonial swearing-in at the US Capitol on January 21, 2013 in Washington, DC. The oath is administered by US Supreme Court Chief Justice John Roberts, Jr(R). AFP PHOTO/ Stan HONDA