[ neighing ] [ sigh ] it's bring your own phone, not pony. so i could've taken the bus? yeah. bring your phone. switch your carrier. save hundreds a year with xfinity mobile. call, click or visit a store today. in 1968 robert kennedy hopes to be the next democratic presidential candidate. >> when bobby kennedy goes on the campaign trail he's a complete rock star. security was not great. people would ripoff his cuff