Obama picks foreign policy aide as chief of staff
By Nedra Pickler
President Barack Obama has chosen longtime trusted adviser and national security expert Denis McDonough as his fifth chief of staff.

President Barack Obama has chosen longtime trusted adviser and national security expert Denis McDonough as his fifth chief of staff.

Four years ago, Barack Obama’s swearing-in drew a record crowd to Washington. There were 1.8 million people eager to witness history: the first U.S. black president taking the oath of office.