Article Photos: Time to act, Obama declares, taking oath 2nd time

President Barack Obama and first lady Michelle Obama waves as they walk down Pennsylvania Avenue near the White House during the 57th Presidential Inauguration parade Monday, Jan. 21, 2013, in Washington. (AP Photo/Charles Dharapak)

President Barack Obama and first lady Michelle Obama waves as they walk down Pennsylvania Avenue near the White House during the 57th Presidential Inauguration parade Monday, Jan. 21, 2013, in Washington. (AP Photo/Charles Dharapak)