Barack Obama, 44th president(Reuters) - Barack Obama will be sworn in as the 44th president of the United States at noon on Tuesday.Here are some biographical facts about the first African-American to hold the nation's highest office.Age: 47Birthdate: August 4, 1961Birthplace: Honolulu, HawaiiEducation: Columbia University; Harvard Law SchoolWife: Michelle Robinson ObamaChildren: Daughters Malia, 10, and Sasha, 7Religious affiliation: United Church of ChristParty: DemocratFamily: Barack Obama was born to a Kenyan father and a white American mother. His father, Barack Obama Sr., married his mother, Ann Dunham, while studying at the University of Hawaii. The couple separated two years after Obama was born. His father ultimately returned to Kenya, where he became a noted economist. He died in...