come back to "hardball." that was bobby kennedy speaking at the ambassar hotel in los angeles after winning the california democratic primary 50 years ago. moments later he was assassinated. i'm joined by kerry kennedy, bobby's daughter and author of "robert f. kennedy, ripples of hope." i don't -- i have a general question. what do you think the country ought to hear from you about your dad? >> well, you know, when daddy ran for id he peace and justice and compassion towards those who is suffer. that's what the united states should stand for and that's what i do if i'm elected president of the united states. try and imagine a presidential candidate saying peace and justice and compassion towards those who suffer. but that's what we need in our country today. we need to he the divisions and come together. we need to address the mass incarceration. we have to show compassion for