♥ Mark Kelly whispers to Gabby Giffords, "I think they like you!" Democratic National ConventionPlease enable Javascript to watch this videoPHILADELPHIA -- Victims and families of gun violence delivered emotional pleas Wednesday night in support of Hillary Clinton as a president who would act to curb mass shootings and press for new gun laws.Speeches from former Rep. Gabby Giffords, who was shot in the head, and a mother...