June 26, 2015 3:45 pm WATCH: President Obama Leads Charleston Mourners in Singing “Amazing Grace” In a powerful moment during his eulogy for Rev. Clementa Pinckney, President Obama led the mourners in singing “Amazing Grace.” US & World Videos 10:42 Multiple people arrested as police clear campus encampments 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:36 Super dad makes Mario-themed obstacle course for son's birthday