In his second full day in office, President Barack Obama signed a series of executive orders Thursday morning to close the Guantanamo detention center within a year, ban the harshest interrogation methods and review military war crimes trials.

Senate Democratic leaders moved Monday to formally accept Roland Burris as President-elect Barack Obama's Senate successor, hoping to move beyond the spectacle that emerged around Burris's appointment by the scandal-plagued Illinois governor.

The Illinois House voted overwhelmingly Friday to impeach Gov. Rod Blagojevich, an action that sets up a Senate trial on whether he should be thrown out of office for allegedly trying to sell President-elect Barack Obama's vacant Senate seat.

After embattled Illinois Gov. Rod Blagojevich's named Roland Burris to fill President-elect Barack Obama's vacant Senate seat, Democratic Senate leaders claim they will invoke their constitutional power to block the appointment. Analysts discuss the situation's legal and political implications.