US President, Barack Obama and the Vice President, Joe Biden, are due to attend a interfaith prayer service in Washington Tuesday. Hosted by the Washington National Cathedral, the service will celebrate the 57th presidential inaugural. The interfaith service will celebrate the previous day’s events through prayer, readings, and musical performances. The service will begin at 10:30 also will be webcast live at www.nationalcathedral.org. Later, President Obama and his wife Michelle Obama will dance at the first of two inaugural balls at the Washington Convention Centre. The guest list for this ball is reserved for members of the military and their families.