President Obama eulogized former South African President Nelson Mandela at a memorial service in Johannesburg earlier Tuesday.Calling Mandela the last great liberator of the 20th century, Obama compared him to Mahatma Gandhi, Martin Luther King Jr. and Abraham Lincoln.General Motors has named Mary Barra to succeed Dan Akerson as its new CEO, making the 51-year-old the first female to head up a U.S. car company.She is currently the senior vice-president for global product development.A snowstorm earlier Tuesday caused widespread school and government closures in Washington and elsewhere along the Eastern Seaboard.The storm is pushing into New England with the potential to snarl the evening commute.A Georgia woman says she is still in pain and embarrassed after becoming the victim of an apparent practical joke.Illyanna de la Keur says she was glued to a toilet seat at a home depot. Her sister captured her rescue on camera.Jill Craig, the Associated Press with AP News Minute.