>> these families that never imagined their loved one would be taken from our lives by a bullet from a gun. every time i think about those kids, it gets me mad. >> reporter: the white house is seeing the president's words a call to, as they're putting it, more passion, urging people to vote their minds and influence leaders. >> michelle, thanks so much. be sure to tune in tomorrow night as president obama joins anderson cooper for that exclusive live town hall event on guns in america. the president will discuss his executive action on guns and will take live questions from a live studio audience. a town hall on guns in america with president obama moderated by anderson cooper, tomorrow night, 8:00 p.m. here on cnn. okay. so the birther debate coming back to the campaign trail as you heard, this time donald