we care about the work and we care about doing it right. we all have the same goals to make the system safe and to make the community safe. together, we're building a better california. please join me in welcoming my friend, my father, my hero, the next vice president of the united states, joe biden. >> welcome back to "hardball." bo biden, the eldest son of vice president joe biden died over the week after a battle with brain cancer. there he is at age 46.