Millions of children grew up with Mister Rogers and his neighborhood.So, now a new documentary explores his life and lessons. Jeffrey Brown has more.The trolley, the cute puppets, the cardigan sweater, millions loved Mister Rogers and his neighborhood.Others found it all a bit, well, too nice.Filmmaker Morgan Neville watched as a kid and, looking again as an adult, found something worth celebrating today.When I started digging into him, I just felt like this was a voice I don't hear in our culture anymore.It's a voice that needs a place at the table.And it's a voice that speaks up for a lot of things that nobody else is speaking out for.It's a grownup voice that's empathetic and that's looking out for our own cultural long-term well-being.Neville, who won an Oscar for his documentary "20 Feet From Stardom," has now made "Won't You Be My Neighbor?" a new,fuller look at the life and work of Fred Rogers.A television program for children made its inauspicious debut on station WQED in Pittsburgh. Its host, Fred Rogers."Mister Rogers' Neighborhood" had its national debut on public television in 1968.Original episodes and reruns would air until 2001. The show quickly hit a chord with children across the country.