September 6, 2012 9:34 pm Barack Obama Makes His Case for A Second Term President Barack Obama accepted his party’s nomination with a resolute speech at the Democratic National Convention. US & World Videos 5:00 Kelly Clarkson surprises trailblazing music educator with childhood teacher 3:02 Daughter surprises mom and nana with touching letter for Mother's Day 6:00 Luis A. Miranda Jr. brought entire Puerto Rico family to cheer Lin-Manuel Miranda at Tony Awards 6:15 Parents of Harmony Montgomery's half-brother read his emotional victim impact statement: ‘I need my big sister' 1:58 Prince William plays volleyball in royal beach outing amid Kate Middleton's cancer treatment